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Dave In Vermont

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About Dave In Vermont

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    Little Green Man
  • Birthday 01/01/60

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  • Interests
    Sciences, bicycles, geopolitics, history.
  • Location
    Burlington, Vermont

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  1. Good! I wish other's would do what I try to do: Keep a 'Miles-O'-Files' on your computer systems for just these sorts of things. Other than that, send me a PM explaining your needs - I may just have what you're looking for. Yikes! Dave
  2. For a bit more ££'s - there's the Vixen Porta II mounts. These handle a heavier load, and have slow-motion cable-controls. Dave
  3. Just to help clarify - it's a 2" eyepiece you mean. 2 1/2" doesn't exist. I'd hold off on getting a UHC until you learn about them and such entities as 'bandwidth' so you can choose the best one for your uses. Narrow-Band Filters - like a UHC - shouldn't be bought based on their price - but on how good they are for your chosen applications. Best wishes - Dave
  4. Or it could toss Jupiter out of it's current orbit - with possibly cataclysmic results. Heads' up! Dave
  5. On my 200mm Orion-branded Newt, there are 6 Philips-Head screws around the side of the bottom of the tube. You remove these and the mirror-cell is free and can be easily removed from the bottom of the tube. Caution & Gentle are words to live by. Make certain to align these up before screwing the screws back in. I suggest doing so part-way at-a-time in a star-pattern. Like changing a tyre on a car. May I ask why you wish to remove your mirror? Dave
  6. I checked Astromart, a used astro-goodies site over here, and the lowest I could find was for a 5nm Ha - $135. And it was snapped-up real quick. Good luck on your quest! Dave
  7. You may find some good and usable information from these folks: http://darksky.org/ LP can actually make people sick, and cause brain-damage in growing children. A tact to use to get people to turn off their lights. Dave
  8. A 'reversed' Kellner constitutes the design from a line of eyepieces from Edmund Scientific - starting in the 1960's (if memory serves) - called the 'RKE' eyepieces. They are said to be good, but I've never had the chance to try one. As for the disassembled one, I notice it's the stock 10mm that often comes with telescopes. If you can't get it up & running, don't sweat it. These usually are rather lousy to begin with, from the reports I've read & heard. Maybe your son was trying to figure out why it gave poor views? May a better eyepiece be on your horizon, Dave <EDIT> I just noted it is the 20mm eyepiece that was mangled. I only was reading from the bottom one - which does say 10mm. Mea Culpa!
  9. Greetings and welcome to SGL, Gareth - it's nice to have you aboard! That's a nice herd of telescopes. Especially that reflector in the front! We love finding answers to questions, so please feel free to ask & answer them, too. Starry Skies, Dave
  10. FAR above $400. The mount alone will be over $1,000. The book suggested above: "Making Every Photon Count" should give you a good idea of what is required to enter this field of endeavour. A Dobsonian-mounted Newtonian can be used for brief expores such as planets and our Moon. Video-AP is another option you may wish to research. Enjoy! Dave
  11. barlow lens

    By 1988 most telescopes were using a 1.25" fitting for eyepieces and Barlows. But .956" - which were used for microscopes - could still be found on the cheapest telescopes and parts. So that Meade should be a 1.25" scope. Hence, I'd toss that Barlow in the recycle-bin and send it off. If the manual indicates it is, indeed, a 1.25" telescope buy anything like eyepieces and a Barlow in that size. Besides, finding .965" goods is quite difficult these days. Older Meades, like that one, can be resurrected to work very well. I'd love to see one - and would snap it up if I found it at a yard-sale or such! Congratulations on your find, Dave PS - I believe the 'Quartz' refers to the type of motor-drive these came with to track the stars as the Earth rotates.
  12. I could spend my lifetime meandering through Cygnus & Co. It's loaded with interesting denizens! As stands, it's my Summertime favorite, with Orion and Taurus for the rest of the year. Dave
  13. If anyone needs Stellarium - or further information on it - I invite a visit to this thread & post by yours' truly: 'Ta, Dave
  14. Elvis Preseley lives in an old jar of mayonnaise in the back of my fridge. Dave
  15. Greetings and welcome to SGL, Geoff - it's nice to have you join us - officially. I guess you know we're happy to listen to questions - and finding their answers - so do jump right in! Starry Skies, Dave