Aluminum (the rear cell) expands more than steel (the screw) in the heat, so now is actually your best chance. It will get worse when the scope is cooler. ...
... WD40 will dissolve most tape adhesives. -John __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best...
Hello everyone, I'd like to know the importance of rotational alignment of secondary mirror in a commercial sct (the OTA in question is a C9.25 Starbright ...
... Omega Centauri, from any given location (assuming you're far enough south that it's visible at all) will reach the same maximum altitude any day/night of...
... Hi: In my experience, the rotational position of the secondary doesn't seem to make too much difference. The corrector, on the other hand makes a large ...
... You've obviously never been to Arizona at this time of year. If you ever are...quite an education awaits (hint...bring a swim suit). ;-) Peace, Rod Mollise...
Thanks for posting this. And congrats to Eddie, who's definitely made his presence felt in our contest over the years. ;-) Peace, Rod Mollise Author of...
Hi every body ! First I would like to present myself ; I'm 37, and live near Toulouse (France). I am an happy owner of an Orange C8, and I recently bought an ...
Been there, done that! 25 years ago someone stole my C-8 from my house while on vacation and threw it is a shallow retention pond. It was discovered 6 months ...
Thanks Rod, I've had the some thought, I've tried three position spaced by 60°, and the resultant diffraction patterns are still the same. Now I'll try an...
... [snip] ... I noticed that as well. But I don't think this was intended as the "start" of the viewing season. Ignoring the moon and using -18* for the sun...
Steffano, This alignment is very easy to define for your system. Not saying about the importance that can be argued elsewhere. However in my system I did see...
see: <http://www.telescope.com/jump.jsp?itemType=CATEGORY&itemID=10> Peace, Rod Mollise Author of _Choosing and Using a Schmidt Cassegrain Telescope_ Like SCTs...
Hello to all, Was out Saturday night with the N-11 and for once the seeing was average. I first viewed Jupiter and had some quite beautiful views of the...
In Arizona, we get heavy flooding with our monsoons. My backyard will fill up with water rather quickly. We also get micro bursts. My gas barbeque was...
... an ... it's Hi Marc, I just uploaded two photos in the "photos section under Katz ultima batteries" showing the correct wiring of each. Hope this helps. ...
... Toulouse ... bought ... That's it ! Both are linked in serial (positive to negative) then black and red (blue for you ?) refer respectively to negative...
OK, 2nd try. For some reason this post ended up in a different astro group. arrgghhhh Hi Rod is probably mostly correct. However, CI will make corrections...
... ^^^^^^^^^^^^^^^^^^ Yup.....not too strange at all, considerin' who's building what nowadays. Right after the 'pickup' recently made by Synta, I kept ...
Yeah, but better late than never. I think you'll be happy with this one, considering the fact that those two characters, Tropical Storm Cindy and Hurricane...
... the bane ... I really didn't know that ("North American Monsoon"; Google search with that phrase reveals a lot!) and I was thinking the term had been ...
It gets pretty hot here. But it is a dry heat ;-) My observatory averages 106 - 110 in the summer months even with a vent and powered fan on the vent. What...
... Incredible. Back when we had 4 seasons here in Silicon Valley the weather would be almost similar to what you experienced. Around 1980 a 100' eucalyptus ...
... Actually, the Orion store in Cupertino CA has been carrying Celestron gear for quite some time (e.g., CGE mounts, NexStars, etc.). A long time ago they...
... Toulouse ... bought ... I received new Cyclon 2V/2.5A this morning. Theses are plugged inside and .... the drive run correctly ! Theses are in charge until...
HI Gang: The MAGAZINE, that is! ;-) Y'all know I don't like to toot my own horn--OH, who am I kidding? Like heck I don't! ;-) At any rate, I think this will be...
... Hi: If I recall, the catalog at least featured TV up until fairly recent times. Meade? I believe Mr. G. had a fallin' out with them at the end of the 80s. ...
...after alignment and collimation, something mysterious is going on. Let's starts from the beginning. I've aligned with a caliper the secondary holder and...
... Do the stars look like little "comets"? The elongation sounds like coma... while the stars focused in the center but yet not quite focused off-axis sounds...