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Stu

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Everything posted by Stu

  1. GRS Transit on Jupiter, crossing the central meridian at 2.40am with Jupiter at just over 16 degrees altitude. GRS starts to come onto the disk at around 12.30am as Jupiter rise, disappearing at around 4.30am.
  2. Great app Kerry, thanks for that. Installed
  3. GRS Transit on Jupiter, crossing the meridian at 6.48am with Jupiter at just over 15 degrees altitude. GRS starts to come onto the disk at around 4.40am, disappearing at around 8.50am.
  4. GRS Transit on Jupiter, crossing the meridian at 5.10am with Jupiter at 21 degrees altitude. GRS starts to come onto the disk at around 3am, disappearing at around 7.15am.
  5. Cool, we are agreed then, that's one more off the list.
  6. Well sticky friction sounds quite logical so no need for embarrassment
  7. Shame, that does look like a chip. Won't affect performance at all but it will affect resale value so don't pay too much for it!
  8. I think, dredging my brain for old physics lessons, sticktion is possibly referring to Static Friction, rather than Dynamic Friction ie the difference between the starting friction and that when it is moving.
  9. Looks great, thanks for that. I still don't think that makes it totally clear, would you say the orange oval is correct?
  10. What is the book? Looks great. Just looking at another of the descriptions to verify I'm correct. The Schiller-Zuchius Basin is not necessarily easy to work out from the notes. I believe the orange oval is correct, but there is a possibility, I guess, that the shallow basin outlined in red is it?
  11. Thanks! Flamsteed Ring is a much better description
  12. Thanks Billy. I'm considering amending one of the documents to ensure accurate phases for the best time to view, and also additional help to be able to correctly identify the objects, which, as you say, are not always clear; the Schiller-Zuchius basin and Imbrium lava flows being two more! Flamsteed P has caused me some confusion, I have assumed that it is the large, broken cirular crater outlined in the attached? There was also a faint inner crater which I could see, concentric to the outer.
  13. until
    As per Chris's post, GRS and a shadow transit of Io are visible tomorrow morning, weather permitting of course! Io Shadow Transit starts at 2:28am, finishing at 4:39am GRS Transits at 3:32am, and Jupiter itself transits the meridian at 4:53am Between 3:30 and 4am could be an optimum time, Jupiter at around 19 degrees and above, not far off its highest at 21 degrees.
  14. Alan, I've done this now. I've locked the thread so it remains clear, but if anyone has any more documents or links which would be helpful, just pm me and I can add them
  15. This is a sticky for resources which can be used to help complete the Lunar 100. They complement the other sticky to Doc's fabulous descriptions from his observations. Additional links or material will be added when they are found. The following links provide useful material: http://www.skyandtelescope.com/observing/the-lunar-100/ - The original April 2004 article by Charles Wood, which started the whole thing off! http://www.astrospider.com/Lunar100list.htm - Useful list with images for most targets, co-ordinates and brief description http://www.salzgeber.at/astro/moon/L100.html - Another table with descriptions and also links to high quality images http://www.shoestringastronomy.com/lunar/lunar100.htm - This link has some useful annotated sketches in the links, not for all targets but quote a few. http://www.astrosurf.com/cidadao/moon.htm The OTL100.pdf attachment contains some useful info about when is the best phase to observe each target. I've tested some of these and they may be a day out, so use it as a guide rather than absolute fact! Lunar 100 Object List.pdf Lunar 100 Object List and Notes.pdf OTL100.pdf
  16. Ok, will have a look at this and pull a sticky together. Thanks
  17. Hubba Hubba! Now that's a Mak! Luvverly
  18. It seems like the AZ5 is quite capable but the standard tripod it comes on is nowhere near as good as the standard AZ4 which I think is the 1.75" stainless steel job?
  19. Yes, it's surprising just how much effect liberation has and some of these can definitely only be seen at the correct time. Will see how I get on, stock take of current tally required first, although it would be nice to start afresh.
  20. I thought, given the current interest in the moon, lunar X/V etc that I would post up some info on the Lunar 100. This is something which I would love to complete, but do struggle with getting the weather/opportunity to coincide with the necessary phases. Must try harder! I need to document the ones I've seen already and move on from there, note to self! Much of this info is on SGL anyway, I thought I would bring it together in one current thread to highlight it. http://www.skyandtelescope.com/observing/the-lunar-100/ http://www.astrospider.com/Lunar100list.htm http://www.salzgeber.at/astro/moon/L100.html Then of course Doc's wonderfully complete descriptions after he completed the 100 with a 16 inch Lightbridge One note of caution about the info contained at the end of the OTL100 document. Last night I tried at least to identify the location of Flamsteed P, mentioned as being at it's best on day 10 of the lunar cycle, which I believe was last night. When I checked, it still appeared to be in full shadow so do sanity check this info. Otherwise, have fun, and do post back how you are getting on. Lunar 100 Object List.pdf Lunar 100 object list and notes.pdf OTL100.pdf
  21. until
    A little lower than the April event but still should be a good one. Starting at 6.42pm at around 40 degrees altitude, finishing at 11.03pm at around 20 degrees.
  22. until
    It's there, but you won't be able to see it, Moon below the horizon.
  23. until
    This should be a good one. Moon visible throughout and at 57 degrees at the start. X and V should be on show.
  24. until
    Don't get excited by this one unless you are way south. It starts at 06.59 and finishes at 11.20, but the moon doesn't rise in London until 10.10 so you might just catch the end of it.
  25. until
    The GRS transits the meridian at 6.02am Jupiter will be 20 degrees above the horizon at this point, with sunrise still nearly an hour away at 6.54am. Timings and altitude from London.
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