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Pluto's Discoverer's Backyard Telescope For Sale

Schart writes "My dad, an amateur astronomer/astrophotographer, sent me this link detailing the potential selling of Clyde Tombaugh (the man who discovered Pluto)'s backyard telescope. It features a 16 inch f/10 mirror which was hand-ground by the astronomer himself as well as a massive superstructure and 1-ton tube."

151 comments

  1. Pluto and Sedna as planets by kiwipeso · · Score: 2, Interesting

    COuld someone just accept Pluto and Sedna as planets regardless of size?

    --
    - Kaos games and encryption systems developer
    1. Re:Pluto and Sedna as planets by VanillaCoke420 · · Score: 2, Interesting

      I would rather downgrade Pluto as a Kuiper object, and Sedna as well.

    2. Re:Pluto and Sedna as planets by Agent+Orange · · Score: 5, Informative

      This will NOT happen. The International Astronomical Union has Press Release in their FAQ section confirming pluto's status as a planet.

    3. Re:Pluto and Sedna as planets by Moonpie+Madness · · Score: 5, Insightful

      The problem my friend is that we will discover dozens more in that size range. It is terribly inconvenient, and pretty inaccurate, to momorize the list of 30-50 planets when clearly there is a difference between merc-neptune and the rest. we need to chance the way we picture the solar system. it isnt a defined planet of ten spheres that suddenly stop. it goes on and on and on and thins to the point where its just arbitrary to define the end. no problem naming the solar orbital objects sedna and pluto and etc, but its impractical to classify every such thing a planet just to make scientists feel warm

    4. Re:Pluto and Sedna as planets by VanillaCoke420 · · Score: 1

      Not in the forseeable future, no. But some time we will have to think about what a planet is.

    5. Re:Pluto and Sedna as planets by yppiz · · Score: 4, Informative
      No, they've just said no one has proposed it. From the IAU's FAQ:
      No proposal to change the status of Pluto as the ninth planet in the solar system has been made by any Division, Commission or Working Group of the IAU responsible for solar system science. Accordingly, no such initiative has been considered by the Officers or Executive Committee, who set the policy of the IAU itself.
      Reading the rest of the FAQ, their position seems to be that a) Pluto's status is a sensitive issue, b) it probably shouldn't be a planet, c) for the IAU to change its status requires that someone propose the change, d) no one within the IAU has proposed this, e) the Planetary Systems Sciences Small Bodies Naming Commission in particular does not want to push the issue.

      --Pat / zippy@cs.brandeis.edu

    6. Re:Pluto and Sedna as planets by Serious+Simon · · Score: 4, Funny

      I think it would make the Plutonians very unhappy if the recognition of their home celestial body as a planet would be withdrawn. They might even start a nuclear war using Plutonian bombs.

    7. Re:Pluto and Sedna as planets by VanillaCoke420 · · Score: 5, Funny

      I always thought that there was a plutonic friendship between our two worlds!

    8. Re:Pluto and Sedna as planets by Anonymous Coward · · Score: 1

      In the faraway future, a solar system will be represented as a list of all known bodies in XML. If you wonder whether some new discovery should be added to the list, then the answer is "yes, include everything". If you wonder whether some particular body in the list is a planet, then ask yourself what's your application, and search the list with the relevant criterions.

    9. Re: Pluto and Sedna as planets by Black+Parrot · · Score: 4, Funny


      > I always thought that there was a plutonic friendship between our two worlds!

      We have a lot in common, what with both planets being ruled by plutocracies.

      --
      Sheesh, evil *and* a jerk. -- Jade
    10. Re:Pluto and Sedna as planets by mirko · · Score: 1

      I do not know about Sedna, but Pluto doesn't look like a planet to me.

      --
      Trolling using another account since 2005.
    11. Re:Pluto and Sedna as planets by Agent+Orange · · Score: 1

      It's a sensitive issue. I read this section to be an emphasis of the fact that pluto's status of a planet will not change as far as the IAU is concerned. Realistically, this is more for historical reasons than science ones.

      Scientifically, it's pretty clear that pluto is just another kuiper-belt object. But to be fair, the existence of hte kuiper belt has only been know for 10-15years.

    12. Re:Pluto and Sedna as planets by Anonymous Coward · · Score: 3, Informative

      If you accept Pluto and Sedna as planets, "regardless of size," what about Ceres? What about Quaoar? What about Chiron? You've got to draw a line somewhere.

      The truth is, there are terrestrial planets (and terrestrial satellites, like Io or the Moon), asteroids (and asteroidal satellites), Jovian planets, Kuiper Belt Objects (and SKBOs, and KBO-like satellites, like Charon and maybe Triton), and Sedna's kind of object, and comets (little KBO-like objects that come in so far they start to sublimate). "Planet" is an old category referring to 6 ojbects that can be seen obviously "wandering" around the sky with the naked eye; we're stuck with at a category because of tradition. So from now on, nothing will be a planet unless it is bigger than Pluto.

    13. Re:Pluto and Sedna as planets by cnaumann · · Score: 1

      There are only 5 planets that can been seen wandering in the sky with the naked eye: Mercury, Venus, Mars, Jupiter, and Saturn.

    14. Re:Pluto and Sedna as planets by Anonymous Coward · · Score: 0

      And earth, just look down instead than up :)

    15. Re:Pluto and Sedna as planets by Anonymous Coward · · Score: 0

      Quite true - but then there's also a difference between Mercury-Venus-Earth-Mars and Jupiter-Saturn-Uranus-Neptune. Pluto-Quaoar-Sedna-??? are just the third distinct class of large solar system object that could get lumped under "planet".

      If Jupiter and Earth can be described by the same term, it's pretty much open season anyway. Jupiter has more in common with Sol than it does with Earth. And Earth has more in common with Sedna than it does with Jupiter. Maybe we don't even live on a "planet". ;)

      Plus there should probably be a memorial name for the incompletely formed (or possibly shattered) rocky planet that we call the asteroid belt. Poor little fella...

    16. Re:Pluto and Sedna as planets by irokitt · · Score: 1

      Ah, you must have been reading Mostly Harmless. I wish they had named Sedna Rupert...

      --
      If my answers frighten you, stop asking scary questions.
    17. Re:Pluto and Sedna as planets by Anonymous Coward · · Score: 0

      Sedna looks a bit like this.

      (I've actually seen that green serpentine sculpture at the middle-right, when it was part of a large display at Vancouver airport - unfortunately that particular image link seems to be dead)

    18. Re:Pluto and Sedna as planets by Anonymous Coward · · Score: 1, Interesting

      It's just barely possible to see Uranus with the naked eye - it comes in below magnitude 6 (an average person can see up to 6.5 or so in ideal circumstances). Most people in range of an Internet connection probably won't be able to, though, and it doesn't exactly jump out at you the way the others do. ;)

    19. Re:Pluto and Sedna as planets by Suppafly · · Score: 1

      There are only 5 planets that can been seen wandering in the sky with the naked eye: Mercury, Venus, Mars, Jupiter, and Saturn.

      And Earth obviously.

    20. Re:Pluto and Sedna as planets by Anonymous Coward · · Score: 0

      I've never seen Earth wandering through the sky, except when I watch my dog dig a hole.

  2. Belonngs to a museum by ChaoticPenguin · · Score: 5, Insightful

    Perhaps, some philantrophist can buy this piece of history to donate to a museum? Such pieces of history deserve more exposure than in the home of a private collector.

    1. Re:Belonngs to a museum by REBloomfield · · Score: 4, Insightful

      It's not the telescope that he discovered Pluto with though, so I don 't think it's all that intriuging[sic].

    2. Re:Belonngs to a museum by Anonymous Coward · · Score: 0

      RETARTED!!!

      Not as "retarted" as spelling "retarded" with a T. That's almost as bad as someone who managed to spell "Putty" as "Puddy" the other day. What is it with you people? Did you all get Hooked on Phonics for Christmas or something?

    3. Re:Belonngs to a museum by Anonymous Coward · · Score: 0

      I noticed this post was copied from somewhere and thought that proper credit should be given to Sean.

  3. Re:wow! by kiwipeso · · Score: 1

    You know, I have a friend in the middle of a pine logging forest. Perfect place to put a good telescope, especially a famous one.

    --
    - Kaos games and encryption systems developer
  4. Ernest inquiries... by Anonymous Coward · · Score: 5, Funny

    From the link:

    Ernest inquiries only please!

    Will this be the basis for a new movie, Ernest Goes to Space?

    1. Re:Ernest inquiries... by Anonymous Coward · · Score: 0

      Umm, only after they film "Ernest - Six Feet Under" Remember, Jim Varney croaked some years back.

    2. Re:Ernest inquiries... by Anonymous Coward · · Score: 0

      Truly an American icon.

  5. What's the point? by Debug+This · · Score: 3, Funny
    It's a nice antique and everything, but i dont see the point in buying it.. in practical terms, it probably does less than a 'new' telescope could, and i don't like the prospects for "bragging rights" either --

    "Hey, i have the telescope that first saw Pluto!"
    "That's nothing, yesterday, i made a PIZZA."

    1. Re:What's the point? by REBloomfield · · Score: 2, Funny

      it's *not* the telescope that first saw Pluto. So the pizza's even better.

    2. Re:What's the point? by Anonymous Coward · · Score: 0

      "all you money"?

      Are belong to us, or what?

    3. Re:What's the point? by smchris · · Score: 1


      Well, it _is_ a 16". But I wonder if it is resilvering time? Even if aluminum, how long does aluminum last?

    4. Re:What's the point? by kguilber · · Score: 0

      Yeah, well I was the first one to see uranus!

    5. Re:What's the point? by Dzerzhinski · · Score: 1
      Its awful big, true, but thats a pretty sizeable mirror. And historical telescopes are very much worth preserving. For example, here at the UW is only a 6 inch Brashear, but the astronomy department would definitely object to the suggestion that it's useless.

      I would hope that the buyer would take the same approach the UW astronomy department did and use it in an outreach program. Its much more powerful than the typical amateur would ever be able to use, and would be an excellent teaching tool. Its historical status would be an excellent excuse to educate the public on the recent history of astronomy. Hell, strap a camera on it and it would be a great tool for undergraduate research. Alot of professional research is still done on smaller backyard telescopes. Its not Mauna Kea, true, but its still very impressive.

      --
      Never trust a physicist further than his DeBroglie wavelength.
    6. Re:What's the point? by jridley · · Score: 2, Interesting

      There's no reason to think it wouldn't be every bit as good as a new 16" scope. An inch of mirror diameter is the same size then as now, the quality just depends on how well it was ground. Mirror grinding hasn't changed significantly in 100+ years except people are using machines for the tedious parts now (they're not more accurate, just less tedious). There's no reason in the world to assume that this scope isn't every bit as good as any new scope.

      At worst, the mirror may need stripping and recoating, but that's normal maintenance.

      I have a 15" scope that I just built 3 years ago; I'd bet the views are almost identical. This is an equitorially mounted scope, so it's in a way better than mine, though I can put mine in my car in 10 minutes.

      I hope that this scope goes to a group that will take good care of it, and hopefully let the public use it. Any telescope that's being looked through by the public, especially kids, is going to waste. I think Clyde would have liked that.

  6. Not the pluto 'scope by dtl · · Score: 5, Informative

    This isn't the telescope used to discover pluto. Pluto was discovered in 1930, this telescope wasn't even finished until 1960.

    Probably a nice telescope, but it doesn't come with discovery bragging rights.

    1. Re:Not the pluto 'scope by VanillaCoke420 · · Score: 2, Insightful

      No, but it does come with "hey I got Clyde Tombaugh's telescope" bragging rights.

    2. Re:Not the pluto 'scope by Debug+This · · Score: 1
      It's times like this i wish i had read the article a little better; i saw the words 'telescope', 'pluto', 'buy' and came to the logical conclusion. Uhh, whoops...

      That aside, doesnt that just emphasise my point? A few people have said that "A museum should have this piece of history", etc etc -- but when you think about it, it isn't really [a piece of history]; kind of like selling Neil Armstrongs Best Friend's sneakers. Sure, they may have had contact with a 'famous' person, but they didn't exactly bring any benefit to society.

    3. Re:Not the pluto 'scope by icecow · · Score: 2, Funny

      Sell it on ebay (as a Disney product?)

      --
      Stop invalid scientific research. Ask your local scientists to feed their lab rats with a phytoestrogen-free chow.
    4. Re:Not the pluto 'scope by humanerror · · Score: 2, Informative

      RTFA? Nah, I thought not. There is no claim of it being the telescope used in the discovery.

      The telescope was made by the discoverer of Pluto. Is that not enough "bragging rights" for you?

      --
      "We're an apex predator with the fecundity of a base level herbivore... We're a virus with shoes..." RazorJAK
    5. Re:Not the pluto 'scope by tony_gardner · · Score: 1, Interesting

      And Pluto was discovered by Percival Lowell, thus the "PL" symbol for the planet Pluto.

      I seem to remember that Lowell used a standard refracting telescope which was something like 6m long. anyone got a link to a picture?

    6. Re:Not the pluto 'scope by dtl · · Score: 1

      Yes, I read the article, that is how I knew the date the 'scope was finished.

      At the time I posted the comment, there were plenty of posts suggesting this was the discovery scope. I just posted to correct this notion.

    7. Re:Not the pluto 'scope by dtl · · Score: 2, Informative

      Umm, not quite.

      Pluto was discovered at the the Lowell Observatory in Flagstaff, Arizona. Lowell himself had made a calculation that suggested planet X existed beyond the orbit of neptune, however he died in 1916.

      Credit for the actual discovery of Pluto goes to Clyde Tombaugh in 1930. IIRC the planet was named after the greek god of wealth, rather than after Lowell.

    8. Re:Not the pluto 'scope by ReadParse · · Score: 4, Informative

      And Pluto was discovered by Percival Lowell, thus the "PL" symbol for the planet Pluto.

      No, it wasn't. Percival Lowell died in 1916, but he had started the search for "Planet X" before he died (and back when X was simply a variable instead of a marketing word directed at young people). Astronomers of the time knew that there was something affecting the orbits of Neptune and Uranus.

      Lowell founded the Lowell Observatory in Flagstaff, AZ, and that was where Tombaugh discovered Pluto, when he was a 24-year-old research assistant.

      It appears that the symbol of PL was chosen as an homage to Lowell.

      RP

    9. Re:Not the pluto 'scope by Mr+Guy · · Score: 4, Funny

      How we've all hungered for the elusive "Clyde Tombaugh" related bragging rights.

    10. Re:Not the pluto 'scope by Monkey-Man2000 · · Score: 1

      I think it was called Planet X because it would be the tenth planet. That is, roman numeral X. Not because it's an unknown variable.

      --
      This post was generated by a Cadre of Uber Monkeys for Monkey-Man2000 (603495).
    11. Re:Not the pluto 'scope by kalidasa · · Score: 1

      Only problem with that theory is that it wouldn't have been the tenth, but rather the ninth planet. So yes, it was called Planet X for "unknown."

    12. Re:Not the pluto 'scope by kalidasa · · Score: 2, Insightful

      PL is for Perceval Lowell, but Tombaugh was the discoverer. He used Lowell's calculations, which he trusted so much that he SCOURED the area where X should have been, and managed to find a KBO decades before he had any right to. Even so, it wasn't quite where Lowell said it would be. That's pure, unadulterated, good observing. That's why this is such an interesting scope: because it was built by a guy who was good enough to discover something very, very new.

    13. Re:Not the pluto 'scope by Monkey-Man2000 · · Score: 1

      But it would have also been the tenth planet discovered.

      --
      This post was generated by a Cadre of Uber Monkeys for Monkey-Man2000 (603495).
    14. Re:Not the pluto 'scope by simcop2387 · · Score: 0

      mercury
      venus
      earth
      mars
      jupiter
      saturn
      uran us
      neptune

      these were all discovered before pluto (i think...)

      please tell me what the ninth planet discovered is then if pluto is the tenth?

    15. Re:Not the pluto 'scope by Anonymous Coward · · Score: 0

      When I was a kid, he went to the same church my family did. I completely forgot about that until this story showed up.

      I feel SO special.

    16. Re:Not the pluto 'scope by kalidasa · · Score: 1

      Actually, someone else said that Tombaugh found it by accident, and then checked Lowell's calculations. I might be mistaken.

    17. Re:Not the pluto 'scope by sweaterboy · · Score: 2, Interesting

      According to Tombaugh The name Pluto was used mostly as a reference to the god pluto

      from this http://www.achievement.org/autodoc/page/tom0int-2 interview...

      How did you name it Pluto?
      Pluto was the god of the underworld.
      The lower world, I guess it would be better to say -- of Hades. Pluto's out there far from the sun, where sunlight, at the average distance, is only one sixteen-hundredth as bright as on earth. Rather dark. And if you think of Hades as a dimly lighted place or outer darkness, it kind of fits in somewhat with the characteristics of Pluto probably, or of Hades. So it seemed fairly appropriate from that standpoint. And then when the satellite of Pluto was discovered in 1978 by Christy at the Naval Observatory, he named it Charon because his wife's name was Charlene. Charon was the boatman who ferried the souls of the dead across the river Styx to Pluto's realm of Hades. So the satellite name fits in very well with Pluto, you see.

      The almanac says that the name came from the initials Percival Lowell.

      Well, that was another reason, but not the main reason. Of course, they used the first two letters, Percival Lowell. But that was not the main reason. That was somewhat of a coincidence.

    18. Re:Not the pluto 'scope by buttahead · · Score: 1

      Real astronomers start counting from two.

    19. Re:Not the pluto 'scope by Anonymous Coward · · Score: 0

      Well perhaps astronomy isn't your thing.

  7. Obvious conclusion.. by Linker3000 · · Score: 5, Funny

    Nasa purchases the telescope and lashes it to Hubble - hey presto, cheap fix, NASA saves money by recycling and everyone's happy.

    --
    AT&ROFLMAO
  8. More About Tombaugh and Pluto by amigoro · · Score: 5, Informative
    --


    Nothing to see here
  9. From the article by AmoebafromSweden · · Score: 0, Redundant

    "Its primary system is a 16-inch f/10 mirror hand-ground, figured, and completed by the discoverer of Pluto himself."

    But it doesn't actually say it was used to discover Pluto.

    Only that Plutos discoverer made something that completed the mirror.

    1. Re:From the article by troon · · Score: 0, Redundant

      In fact, it definitely was not used to discover Pluto. Pluto was discovered in 1930.

      --
      Ydco co ,df C erb-y go. a Ekrpat t.fxrapev
  10. Re:wow! by Agent+Orange · · Score: 3, Informative

    Yeah right. Observatory right in the middle of a pine forrest. Great news until it catches fire and burns down your telescope, like what happened at Mt Stromlo observatory in australia 18months ago. See here.

  11. Slight Design Flaw by jazman · · Score: 2, Funny

    Nice 'scope. Shame he built it under a bunch of trees. Shady location of course, keeps the sun off nicely. Also keeps off the light from Saturn's spokes (huh? WTF is THAT about?)

    1. Re:Slight Design Flaw by jazman · · Score: 1

      Flamebait?

      If you look at the picture you can see it's surrounded by tall trees. I would have thought that would be a bit of a problem for an OPTICAL telescope. IANAA so perhaps it wouldn't be an issue for other types, but the article seems to describe an optical scope fairly clearly.

      The article also refers to spokes in Saturn's rings. I thought the rings were a bunch of floating rocks organised into nice flat circular shapes (although could have been watching too much Voyager). So what are the spokes? (My mental image here is of the spokes on a bicycle wheel that hold the hub and rim at a fixed distance, but I thought gravity - not observable by an optical scope - did that job.)

    2. Re:Slight Design Flaw by walter_kovacs · · Score: 3, Funny

      The trees are there to hide him from the lady down the road while he's watching her get undressed. I would have thought that'd be obvious to any self respecting nerd. ;-)

    3. Re:Slight Design Flaw by Anonymous Coward · · Score: 0


      >If you look at the picture you can see it's
      >surrounded by tall trees

      Trees tend to start shorter and grow taller over the course of 50 years or so.

    4. Re:Slight Design Flaw by aiabx · · Score: 1

      The spokes are streams of dust held in patterns above the rings by Saturn's magnetic fields. They have been spotted from earth, but reports were not taken all that seriously until they were confirmed by the Voyager probes.
      -aiabx

      --
      Just this guy, you know?
    5. Re:Slight Design Flaw by CreatureComfort · · Score: 1


      But 100 hours of hand grinding the mirror just to spy on a lady getting undressed? Oh yeah, this was before the Internet and pr0n.

      --
      "Unheard of means only it's undreamed of yet,
      Impossible means not yet done." ~~ Julia Ecklar
  12. Pluto Was Discovered Mathematically by Anonymous Coward · · Score: 1, Interesting
    Before it was ever observed. Same as Neptune. [and I am going to try the lame ass mithuro.com mod thing]

    Moderate this comment
    Negative: Offtopic Flamebait Troll Redundant
    Positive: Insightful Interesting Informative Funny

    1. Re:Pluto Was Discovered Mathematically by Anonymous Coward · · Score: 0

      No, Pluto is so small that I can't see how it made such significant changes in, say, Neptune'r orbit.

  13. You know, sad as it is... by Moonpie+Madness · · Score: 5, Interesting

    my university could use this telescope. I go to Texas Tech, and our observatory is now in the middle of a lit up parking lot. The other one fell off of its artillery mount. We have a few reflecting scopes, the kind you carry around, but this would be a neat monument/useful tool. Bah' It seems all my school wants to improve is its 256 billion $ football stadium... Still, perhaps the right place for this is a non elite school

    1. Re:You know, sad as it is... by Tablizer · · Score: 2, Informative

      I go to Texas Tech, and our observatory is now in the middle of a lit up parking lot.

      Even though bright lights ruin many observations, planet and moon observing can still take place. Planets are bright enough that having a dark background does not matter much.

      Also, sometimes filters can be used to filter out light from certain street lamps, but not all lights are easy to filter because some have "fat" spectrum lines that filters cannot target without also washing out star and nebula light. Thus, lights with narrow spectrum bands (very specific frequencies) are better around observatories. Observatory towns sometimes pass laws that allow only certain kinds of street lamps in the area so that filters can be applied to block out their light.

      However, residents sometimes don't like such lamps because either they have an odd tint to them, and/or their light seems "harsh" and unnatural in a similar way that most people prefer old-fashioned heated metal filement bulb light to flourescent light. Generally heated or charged gas lights will have the narrower spectrum bands. One of the reason they are often more efficient is that the narrow bands are more likely to fall in the visible part of the spectrum. Thus, less light is "wasted" on places in the spectrum that humans cannot see anyhow, such as infrared.

    2. Re:You know, sad as it is... by Moonpie+Madness · · Score: 1

      I'll ask the prof. to look into this, it sounds promising, and that observatory is going to waste as it is.

  14. OT: Pluto and Sedna as planets - why? by linoleo · · Score: 5, Insightful

    COuld someone just accept Pluto and Sedna as planets regardless of size?

    Why? Because it gives you a warm fuzzy feeling? Will you still feel the same when the 10'000th Kuiper Belt "planet" the size of Sedna will be discovered? And it will, eventually - there's a huge amount of ill-light space that far from the sun, and we've barely scratched the surface of all that's bound to be lurking out there. We should really reserve a term (or two) to denote a) the four sizeable rocky bodies orbiting the sun inside the asteroid belt, and b) the four gas giants orbiting the sun between the asteroid belt and the Kuiper belt.

    Pluto is a special case: on one hand it looks like what we would expect from a typical Kuiper belt object (KBO), on the other it is bound to be the closest large KBO by far. Historically it was discovered (the same as Neptune) by its perturbative effect on another planet's orbit, long before any other KBOs, so it gets grandfathered in as an honorary "planet". Fair enough.

    Sedna, on the other hand, is three times (!) as far out from the sun as Pluto; at that distance we expect to find thousands of KBOs of comparable size. Calling them all "planets" would be like starting to call all schools of whatever level "university" - a status grab that would ultimately achieve nothing but a devaluation of the more prestigious term, and a muddling of the underlying factual distinctions.

    --
    Be faithful to your obsessions. Identify them and be faithful to them, let them guide you like a sleepwalker. JG Ballard
    1. Re:OT: Pluto and Sedna as planets - why? by brunes69 · · Score: 0, Insightful

      I don't know which is sadder....

      1. That someone has enough time on his hands to push such a small issue.

      2. That you have enough time on your hands to write such a huge rebuttal.

      Come on, who the freak really cares? Does it matter what it is named? I wouldn't care if all the planets in our system were re-named "giant floating rocks", who the fuck cares? It's not like it changes their properties. And trust me, I doubt the residents of pluto care either.

    2. Re:OT: Pluto and Sedna as planets - why? by Anonymous Coward · · Score: 0

      I would mod you up. Your floating rock concept is as fuzzy as quantum physic.

    3. Re:OT: Pluto and Sedna as planets - why? by pjt33 · · Score: 1
      Calling them all "planets" would be like starting to call all schools of whatever level "university" - a status grab that would ultimately achieve nothing but a devaluation of the more prestigious term, and a muddling of the underlying factual distinctions.
      Good thing the British Govt isn't responsible for designations of astronomical objects, then.
    4. Re:OT: Pluto and Sedna as planets - why? by The+Lord+of+Chaos · · Score: 1

      Historically it was discovered (the same as Neptune) by its perturbative effect on another planet's orbit, long before any other KBOs, so it gets grandfathered in as an honorary "planet".

      Actually, Pluto's not massive enough to have a noticeable pertubartive effect on Neptune. It was another astronomer's mistaken belief that perturbations in Neptune's orbit were caused by a planet that started Tombaugh on the search for Pluto.

      But since Tombaugh had essentially no clue where to look as other planet discoverers would have from more significant perturbations, it was an incredible feat that he found Pluto through his persistence.

    5. Re:OT: Pluto and Sedna as planets - why? by Anonymous Coward · · Score: 0

      How the fuck is that Offtopic?

  15. gratuitous links? by Anonymous Coward · · Score: 0

    What do links to the website of the submitter's dad have to do with the selling of Clyde Tombaugh's backyard telescope?

    1. Re:gratuitous links? by stoofa · · Score: 1

      You mean you aren't interested in buying the photos of the moon taken by the father of the Slashdotter who posted the link about the telescope that was one of many built by the guy who discovered Pluto?

      Christian Cook

      www.thinctanc.co.uk

    2. Re:gratuitous links? by Schart · · Score: 1

      The apostrophe crack I liked, it was funny, but I must respectively take issue with your accusation.

      Gratuitous? Perhaps I could see your point if my submission was littered with links to my own website -- which is completely unrelated to the submission -- then I might agree with you. As it is, though, I merely linked to my pops' site because it is, at least somewhat, related to the submission and gives a bit of background as to why he would have run across a link such as this.

      Furthermore, last time I checked (i.e. just before I clicked submit - "Check those URLs!), my dad wasn't charging for his photos. Although if you were so inclined I'm sure he'd gladly make an exception and accept a monetary donation.

      ;)

    3. Re:gratuitous links? by stoofa · · Score: 1

      I cannot recall actually accusing you of anything, so I'll assume you have something to hide that you feel guilty about. ;)

      I was merely posting a facetious remark to the previous comment.

      However, I consider myself respectfully taken issue with.

      I would challenge you to step outside, but there's probably a 10,000 miles between us and it's currently raining here.

      Christian Cook.
      The following link is my sig and is not relevant to this post, so you are under no obligation to even read it. In fact, it does border on gratuitous to an obscene level. www.thinctanc.co.uk

      Goodbye Karma, we hardly knew you.

  16. Well done. by CGP314 · · Score: 5, Funny

    Clyde Tombaugh (the man who discovered Pluto)'s

    Best. Misuse of an apostrophe. Ever

    -Colin

    1. Re:Well done. by Anonymous+Fart · · Score: 1

      Best. Rendition of Comic Book Guy quote. Ever.

  17. Mod parent down -1, Bullshit by Anonymous Coward · · Score: 0

    $256 billion? You expect me to believe that? Considering the US' GDP is only around $50 trillion, that sounds like major falsity.

    1. Re:Mod parent down -1, Bullshit by Anonymous Coward · · Score: 0

      What can I say? Some folks dig them foozballs. And the dollar has dropped in value considerably. And do you know how expensive good grass is in Lubbock -brown-is-beautiful- Texas?

    2. Re:Mod parent down -1, Bullshit by Anonymous Coward · · Score: 0

      > And do you know how expensive good grass is in
      > Lubbock -brown-is-beautiful- Texas?

      50 an oz for schwag just like everyplace else in texas?

    3. Re:Mod parent down -1, Bullshit by isorox · · Score: 1

      Current exchange rates $256 billion is arround 500,000

    4. Re:Mod parent down -1, Bullshit by Zordak · · Score: 1

      You've obviously never been to Texas, where the Southern Baptists supplement their Sunday worship at the chapel with their Friday worship at the Altar of the Pigskin. $256B is quite a reasonable tithe.

      --

      Today's Sesame Street was brought to you by the number e.
  18. Offtopic by CGP314 · · Score: 1
  19. aww by Anonymous Coward · · Score: 0

    maybe after Ernest Gets Resurrected

  20. I have an uncle who grinds his own telescopes by Zog+The+Undeniable · · Score: 2, Interesting

    ...and lectures in astronomy. I do quite a bit of photography and I'd read somewhere that Leica lenses (generally considered to be the best 35mm lenses available) are ground to an accuracy of about half a wavelength of light - say 200nm. He just shrugged and said his lenses are accurate to better than 1/10 wavelength. He designed and built the lens grinding machine himself, so he should know.

    --
    When I am king, you will be first against the wall.
    1. Re:I have an uncle who grinds his own telescopes by aiabx · · Score: 2, Informative

      This kind of accuracy is fairly common in the world of telescope making. There are many amateurs capable of producing optics to that level. The trick is, they are doing it with mirrors, where you only need one amazing surface. Lenses require many more surfaces, and if they aren't perfectly matched, you lose accuracy.
      -aiabx

      --
      Just this guy, you know?
    2. Re:I have an uncle who grinds his own telescopes by whoisjoe · · Score: 1

      Oh yeah? Well I have an uncle with an axe to grind.

  21. S&H by MagicDude · · Score: 4, Funny

    massive superstructure and 1-ton tube

    Shipping and handling are going to be a bitch.

  22. He forgot to include the details: by (trb001) · · Score: 4, Funny

    ...as well as a massive superstructure and 1-ton tube.

    Buyer to pay actual shipping costs. Will ship only to North America. Seller prefers Paypal.

    --trb

  23. I can just hear all the Astro geeks by RCO · · Score: 3, Funny

    "...soooo, why don't you come over to my place and I'll show you my Telescope..."

    The sad part is, they will actually mean it, I know, I've done it. But this one would be really cool, at least to me it wood, er would.

    --
    'And all the monkeys aren't in the zoo Every day you meet quite a few...'
    1. Re:I can just hear all the Astro geeks by DynaSoar · · Score: 1

      RCO (597148) sez:"...soooo, why don't you come over to my place and I'll show you my Telescope..." The sad part is, they will actually mean it, I know, I've done it."

      It's only sad if you're not doing it right. I did. Hence, there is my son, Orion.

      --
      "I may be synthetic, but I'm not stupid." -- Bishop 341-B
  24. There are better large amateur scopes available by Anonymous Coward · · Score: 5, Informative

    If you're interested in the historical significance of its previous owner, then this might be the telescope for you. For the rest of us, there are far better options.

    First, this is a huge contraption. The f/10 focal ratio means the focal length is 160 inches so your actual field of view is going to be quite narrow; on the order of 1/2 degree or less. That makes this a good planetary scope but rules out alot of extended deep space objects. For example, though you can't see all of it with your naked eye, the Andromeda galaxy is actually more than 3 degrees (that's 6 full moons).

    Second, portability. The steel truss tube alone for this scope weighs 2000 pounds. Not going to be able to take that to many dark locations in your trunk.

    One can buy a quality 16-inch truss-type Dobsonian telescope for $4000. You can find 20-inch or larger Dobsonian telescopes for under $6000 (a gentleman 20 miles from me is currently selling his 22-inch Starmaster dob with a premium mirror for $8000). Equatorial platforms can be built/bought for these scopes to allow adequate tracking for long-exposure astrophotography. These are generally faster f-ratio scopes (usually between f/5 and f/4) so they offer much wider fields of views than an f/10 scope. And here's the kicker: they're portable. They can be broken down in minutes and transported in an SUV or minivan.

    So, for collectors, this is an interesting telescope. For the rest of us, there are better options if you're looking for afforable large apertures.

  25. No, Pluto was NOT discovered mathematically by StupendousMan · · Score: 4, Informative
    .... unlike Neptune.

    Lowell thought that very small deviations of the motion of Uranus from its calculated orbit indicated that there must be another planet ("Planet X") perturbing its motion. He estimated where it might be, started a big search for it, and then died.

    Many years later, Tombaugh stumbled across Pluto while making a survey of the entire ecliptic. Yes, the planet was very roughly in the region of the sky Lowell had predicted. But it was soon obvious that the mass of Pluto was way, way, way too small for it to be responsible for the residuals in the orbit of Uranus. It was simply coincidence that one object (Pluto) happened to be roughly in the same area that another (the hypothetical perturbing planet) was calculated to be.

    An article by Standish in Astronomical Journal (1993) shows that the residuals Lowell was using were incorrectly computed, and that there is no evidence for a perturbing planet. Here's a section of the abstract:

    It is shown that the alleged 'unexplained anomalies in the motion of Uranus' disappear when one properly accounts for the correct value of the mass of Neptune and properly adjusts the orbit of Uranus to the observational data. .... there remains no need to hypothesize the existence of a tenth planet in the solar system.

    And yes, I am an astronomer.

    --
    Michael Richmond "This is the heart that broke my finger."
    mwrsps@rit.edu http://stupendous.rit.edu
  26. Re:"Backyard"? by cbmeeks · · Score: 0, Offtopic

    Ok...I fell for it. I clicked the link. Man, do you have that book-marked? I bet you have that as your wallpaper. Get a life. Jeesh cb

    --
    Remember, licking doorknobs is illegal on other planets.
  27. ill buy it by pablo_max · · Score: 0, Redundant

    i just wonder what the shipping cost will be.

  28. Museum item? by Maljin+Jolt · · Score: 1

    This cool piece of junk is definitely worth to be placed in a public exposition, just next to some relay computer. An astronomer capable of drilling and bolting is a rarity which must be remembered!

    --
    There you are, staring at me again.
  29. Napoleon Carreau by YuheiCarreau · · Score: 2, Interesting

    In this article, it says the mirror for the telescope was ground by the astronomer himself. However, in my family it has always been said that the LENS in the telescope used to discover Pluto was ground by my great-grandfather, Napoleon Carreau. I know nothing about astronomy or the history book version of Pluto's discovery, so I'm a little confused. I was also under the impression that the "planet X" telescope was in a museum right now. Is it possible that this telescope uses a lense in addition to a mirror? Or perhaps that the telescope my great-grandfather helped make was a completely different one? Or something else that I'm not considering?

    1. Re:Napoleon Carreau by Anonymous Coward · · Score: 0

      This is not the telescope used to find Pluto, but a one built by Tombaugh at a later date.

    2. Re:Napoleon Carreau by Anonymous Coward · · Score: 0

      If you read the other posts, you'll notice that this is NOT the telescope used to discover Pluto, it just belonged to the same owner. Don't worry: I made the same mistake too.

    3. Re:Napoleon Carreau by gjbivin · · Score: 1

      Tombaugh discovered Pluto using 13" astrograph telescope which is still at Lowell Observatory in Flagstaff, Arizona. link
      It can be seen by the general public as part of their day walking tour.

  30. I have looked through this one. by BCW2 · · Score: 4, Interesting

    I grew up in Las Cruces and my Dad was a professor at NMSU. We lived about half a mile from Dr. Tombaugh and when I was a teen he invited me to come see this telescope. We looked at mars and venus that night. Really impressive.
    He was also a good teacher and nice guy.Later he lectured a 101 level astronomy class on the discovery of pluto, that my wife took.

    --
    Professional Politicians are not the solution, they ARE the problem.
    1. Re:I have looked through this one. by pato+perez · · Score: 2, Interesting

      Last year, when Mars was near, NMSU had an open house and we got to look at Mars through a telescope that Tombaugh made using an missile casing (or something like that). I think it was a 12" or so but the staff there said that because it was so well made, you could see a clearer image than you could through some of their larger, more generic telescopes.

  31. Hand ground mirror... by jrnchimera · · Score: 1
    When I was in high school I thought about building my own telescope and looked into how one grinds a mirror by hand. I can't imagine the patience and skill needed to grind a 16" mirror by hand to the perfect shape... Absolutely amazing to me... -----

    Moderate this comment
    Negative: Offtopic Flamebait Troll Redundant
    Positive: Insightful Interesting Informative Funny

  32. Clyde was refused University Entry? by qualico · · Score: 0

    From http://www.achievement.org/autodoc/page/tom0pro-1
    "...he tried to register for freshman astronomy. The professor in charge of the course refused to enroll him. He thought Tombaugh's presence in the class would be inappropriate, since Tombaugh had already achieved something only a handful of astronomers have ever done."

    I just love it when academics turn away genius.
    It says volumes about the current state of our system of teach and make money.
    Never thought I would be seeing this kinda of thing for sale on the Internet. It certainly is a testament to how fast technology has warped us into the future.
    With such a tiny field of view it is incredible he found Pluto...and with a hand ground mirror to boot!

  33. Lunch with Mr. Tombaugh by freezejeans · · Score: 1

    As a junior in high school, I had the privelege of having lunch with Clyde Tombaugh in 1985 in Flagstaff. A friend of the family worked for the newspaper, knew I loved astronomy, arranged meeting and I'll never forget it. Just myself, stepdad, reporter, and a living legend. He was smart and funny, and I'd love to be able to buy that telescope!

  34. potential selling by Anonymous Coward · · Score: 0
    "...detailing the potential selling of..."

    Great... can I pay with potential $100 bills? They're legit as the telescope, I swear!

  35. Warning: by Anonymous Coward · · Score: 0

    I'm surprised the ad didn't include the (probably necessary) text:

    "Warning: This telescope will not allow you to view Pluto."

  36. It's my neighbors! by rMortyH · · Score: 1

    This is my old neighborhood, about five houses away. I used to walk by it every day with the dog. I never had the guts to run up and take a look through it...

    It's made with lots of common stuff including tractor parts and other farm equipment, and alot of cinder blocks. The story goes that they wanted to put it in a museum but at the time Tombaugh was still using it on a regular basis. It's commonly known around the area that although CT discovered pluto and used the telescope right up until he died, it was NOT the telescope he used to discover pluto.

    It's not actually in Las Cruces, it's in Mesilla Park, across the tracks from Las Cruces. It's just a few blocks from Clyde Tombaugh elementary school.

    Not a bad item to own if you've got the space, and it would be better than where it is, which is mostly under trees.

    =R

  37. Can't parse a title? by Anonymous Coward · · Score: 0

    Pluto's Discoverer's Backyard Telescope For Sale

    not

    Pluto Discovery Telescope For Sale

  38. Re:"Backyard"? by Anonymous Coward · · Score: 0

    "Bookmarked"? Shit, I have it memorized :)

  39. Re:wow! by n8ur · · Score: 1
    I was in Australia last spring on business, and went with a friend from Sydney to visit Canberra over the weekend that the time of the bush fires.


    On Friday afternoon we went to Mt. Stromlo (on our way to the NASA deep space station at Tidbinbilla). Got there just after they closed, and decided not to take any pictures cuz, frankly, there wasn't that much to see from the parking lot.


    By Saturday, the place had burned to the ground. I figure that we may have been the last two visitors to see the place. And no pictures!

  40. Re:Belongs to a museum by Gogo+Dodo · · Score: 2, Interesting

    I think this telescope of his is of more interest to museums than the one for sale.

  41. I have actually looked throught this telescope... by Q-Hack! · · Score: 1

    I grew up in Las Cruces, NM. Very close to Clyde W. Tombaugh's home. Back when I was in the Boy Scouts we got the chance to use this telescope. The workmanship is awesome. This thing was very mechanical, even the clockwork on the side that allowed it to track the sky seemed to be masterfully built and very effective. The mirror quality was something to envy. We could easily make out colors in some of the brighter nebula. That was also the first time I had seen the split in saturns rings. I hope whoever buys this, respects the work that Mr. Tombaugh put into it.

    --
    Some days I get the sinking feeling Orwell was an optimist.