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flyingbarron

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    Tel Aviv, Israel
  1. This solved the problem - Thanks very much! Haven't had a chance to check anything else, but the directories now show up and I can see the basic visualization. I'll explore over the weekend. -- Robert
  2. Hi, I've just installed Jocular to see what it's like - but I can't get the example files to work. I'm running version 0.4.5 on a Mac (Big Sur) and it doesn't seem to be picking up the files. I've tried running jocular --rebuildobservation but it just errors out with Error: no such option: --rebuildobservations I've tried putting the sample files in different directories, but it doesn't seem to make any difference. Any ideas? Thanks, -- Robert
  3. Sure, but that's a thread from 10 years ago. I don't think the OVL or RVO flatteners were even an option back then and I'd like to learn about more options.
  4. Ok, thank you both. I bought an Allen tool for the screw and the focuser is much "grippier" now. Yes, I meant a Red Dot Finder, not a finderscope and now that I look again, one of the blue screws is bigger than the others. The Astro-Tech manual makes it much clearer!
  5. Hello, I'm the happy owner of a 2nd hand Megrez. Judging by the clouds which it has summoned - it must be a fantastic scope! In the meantime, I have a few questions... I want to purchase and attach a finderscope. 1. The scope has a finderscope screw which I can unscrew and place a WO finder base. Are there other finder bases which have the same standard screw? Is this standard? 2. I've got an AZ4 tripod which means that the scope is rotated 90 degrees to get the mounting plate into the tripod head. This pivots the finder to the side too. Could I use any of the 3 screws behind the lock screw for this? What are they for, anyway? I've attached a picture - I'm asking about the screws circled in blue. The focuser seems fine, unless I pivot the telescope too high up and then it can "zoom out" and turning the focus knob won't pull it up - even when the only weight is only a diagonal + eyepiece. I see that there's a way to tighten the focus mechanism underneath the tube. Would this be likely enough to solve the problem or might I be looking at something more serious? I need to go out and buy an Allen tool that matches anyway. I hope there are some people here familiar enough with this old scope! Thanks in advance, Robert.
  6. Hello, I'm thinking of dipping my toes back into the astronomy bug after many years of being out... I've got a chance at an old 2nd hand Megrez 72D apo, but I'm worried that the telescope, even if looks fine right now, might simply be old and I might have difficulty finding attachments I may want down the road - finder, matching field flattener, etc... Is there such a thing as "too old" for a scope? Or as long as it's in good shape (in storage for years and years) am I worried about nothing? Thanks, Robert.
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