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Everything posted by clarkpm4242

  1. Mmmm, looks nice field of view. Well done. May have a go with this using a Star 71, Canon 7D MkII and Astrotrac combo... ...cheers, Paul.
  2. After a brief foray into imaging with a scope about 10 years ago, I've not learned the lesson and am back for more pain! First light through new Astrotrac, William Optics Star 71 and Canon 7D MkII setup last night. 10 x 60 sec subs at iso1600, 2 darks, Deepskystacker and Photoshop CS2. Cheers Paul
  3. Have a look at NGC 663 when you're next in the area of M103. A much more impressive OC. Keep at it! Cheers Paul
  4. I sourced my TMB92SS direct from Astronomics in the US. It was one of the first batch produced. My observing posse repeatedly tell me that the optics are outstanding It is a solid, compact build. I use it on a mini Giro mount. Good luck Paul
  5. Giro is the way to go!! I've used many over the years. Great as a dual mount option and now with a TMB92SS APO. Good hunting! Paul
  6. I use these for observing in Dobson's Hole... http://www.amazon.co.uk/Curver-Two-Step-Stool/dp/B003N9CMPQ ...quite wide feet to stop sinking into the ground. Can just about sit down on them. Main issue is stability of the observer. Much better to have tall steps with lots of redundant height but lots to grab on to to steady yourself. Also better with people that are not used to looking through eyepieces. Paul
  7. Bubble wrap is your friend... ...insulates from temperature variations and bouncing around. Good stargazing Paul
  8. My favourite 'eye candy' DSO list after the Messiers is http://messier.seds.org/xtra/similar/rasc-ngc.html Hope for some clear skies. Paul
  9. I find the informal name 'Thumbprint Nebula' helps to describe what you can see. The faint edge of a print fading away to the side. Good catch! Paul
  10. The Medusa *is* a challenge however, the Rosette can be observed 'naked eye' through an UHC filter on a transparent night from very dark locations. Nice to be out!! Paul
  11. Hope to create a time lapse covering the years! Nature's light show!! All the best Paul
  12. Time to get a bigger vehicle to transport it! Plus various aids to help moving the OTA around. BTW, if you do get a car/estate, make sure there is not a lip on the rear door opening... ...best wishes,Paul
  13. Not sure if anyone has mentioned this. A Minus Violet (fringe killer) filter can be used if the colour fringe is a problem...
  14. Forgot this http://www.firstlightoptics.com/dobsonians/skywatcher-heritage-100p-tabletop-dobsonian.html A great option!
  15. Hi Of the 2 scopes, I think the StartTravel 80mm would be easier to handle and give enough of a view e.g. the moon, planets and bright star clusters. The 90 is much longer and harder to handle. I had a short tube 80 and it was a very nifty scope. He would need to use the scope outside. They don't work well through closed windows or open ones for that matter. The loft is a bad place as the heat rising from the house makes the view bubble with turbulence. Good luck. Paul P.S. A better alternative in the larger size is http://www.firstlightoptics.com/reflectors/skywatcher-explorer-130p.html
  16. Managed a quick view this morning between scudding clouds. Canon IS 15 x 50s. Much more prominent against the dark sky Traces of the tails. Nice view of M13 - summer is coming Cheers Paul
  17. Hi The temperature inside the 'dry' shed will cycle, day through night and with seasons. This can cause repeated condensation on the mirror... ...as Peter D. noted, 7 - 10 years is a reasonable lifespan for a coating. Cheers Paul
  18. I think this shows that there are many ways of baking the cake (star hopping) Apart from a very rudimentary sense of scale I work on patterns. 'The object is 2/3rds along a line from this to that star', 'it forms a right angle triangle with those stars', 'extend the line between those stars by a half' etc. then point with the RDF. Ask a question of 2 astronomers and get more than 2 answers... ...cheers Paul
  19. I started with a Telrad. Moved a Rigel Quikfinder, easier to use as further away from scope tube. I now only use an RDF Some prefer to supplement a unit power finder with a finder scope, especially if suffering from light pollution. I find the RDF and low power eyepiece is enough (assuming a fast scope that gives a wide field of view). Cheers Paul P.S. My RDF does have a dot, cross and v. small circle options.
  20. Hi You may wish to consider 15 x 70 binoculars... ...truly compact, grab and go. Have read that you could multiple 70 by 1.4 to get telescope equivalence. Of your original choices, I would choose a refractor on a Giro mount. I have a TMB92 on a Giro and photo tripod. And yes, it could be spring before the next clear night..! Paul
  21. If you can afford it go for an Astrotrac. Very accurate drive. Copes with up to 15kg. My cousin won the Sir Patrick Moore newcomer of the year prize with a Canon 5D & 500mm lens! Paul
  22. I think it is an achievement to put in the commitment to building up observing skills and lugging a big scope out to dark skies on the right night. Also, a big scope could be quite a big financial investment. Once up a time the Veil nebula was seen a significant challenge object...how times change!! Good hunting and dark, transparent skies (fat chance at the moment...)! Paul
  23. Am sure you know to use screen on minimum and a screen filter app... ...it is soo easy lose hard won dark adaptation using smart devices. Also, makes all the travelling to dark skies a waste of time... Sky Commander is an old skool dsc and works very well. Paul P.S. I would describe myself as a full on 'star hopper' but am very tempted by the dark side.
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