I put a screen on the opening to my 254/1302mm Newton, then i did 2 new hole, one 113 mm and the other 102 mm covered with Mylar filter. And get this images of...
dEAL ALL: i HAVE ORDERED A 8 INCHES F/6 MIRROR, aND i AM PLANNING TO MAKE A TRUSS TUBE STRUCTURE OR A STAINESS STEEL TUBE. aNY SUGGESTION? i WANT TO MOUNT THE...
I have had my 6" Celestron reflector for about a year, now, and I have a problem. One of the three allen screws for collimation is extremly tight and it's the...
I am not familiar with the cell design of your scope but it is possible that instead of tightening the one screw any more you can instead loosen the other two...
I'm looking at purchasing the Orion Atlas 10" ota. I already have the atlas mount. Any current owners of this telescope here? I appreciate any experience or...
... tightened ... It could be a cross thread bolt, or the thread tapping is miscued. Take a bolt out of another hole and try it. If it doesn't work, the bolt...
I'm new to this group and have a question perhaps someone can answer. My question is this:When you inspect a mirror visually the mirror looks clean and clear,...
I have the 10" SkyWatcher. Great scope. It is big, though. Check out my website for pics of the scope and pics taken through it. If interested, I'm selling...
Hello everyone, I have not lurked for any length of time. But I have scanned your posts and can see nothing that addresses this question. If I have missed it...
Greetings: Barry, here's a couple of thoughts off the top of my head (hmmm...I need a haircut as well...), based on my recent experience after replacing a...
... Barry, If I understand your problem, I had a similar one with my 8" Meade and 13.1" Coulter when I installed Crayford focusers on those scopes. Not enough...
By golly I think you are right! I was thinking in-travel when I should have been thinking out-travel. Both Lumicon and Televue sell 2" eyepiece extension tubes...
Barry, A couple of other options to consider are an extension tube that is available from Orion, and other dealers or replacing the draw tube. JMI lists a...
I would be tempted not to replace the drawtube if you are considering astrophotography. Especially with 35mm cameras, the extra in-travel will probably be...
Another thought occurred to me. Did you make sure that your diagonal size is sufficient for a 2" focuser and those nice wide-angle 2" eyepieces? There is a...
Thanks for those comments and your thoughts on this matter, I have been through the replies and would like to address them. I have a 2 1/2" extension tube...
...I have formed a new Yahoo discussion group. This one will be for users and prospective users of University Optics' wonderful eyepieces and telescope ...
Need another moderator? ===== Fred Kiesche (FPK3) "Chubby, brownette Eunice Kinnison sat in a rocker, reading the Sunday papers and listening to the radio. Her...
Some sunspots from 2003-06-10 , UT 11:30 at link: http://w1.217.telia.com/~u21702600/030610.htm Image with web-camera and Newton 254/1300 mm 2* barlow, mask to...
Many thanks for your replies regards the "New member long post telescope woes" post. I managed after 3 months to get my first observation done last night. I...
We're approaching the end of a grand era, very sad. Tombaugh gone, Shoemaker gone, Tuthill gone, now Cave gone. Thank goodness John Dobson is still with us. ...
Look at the bright side. They are missed because of the legacy they left. Others will follow. peter... ... From: Larry To: NewtonianReflector@yahoogroups.com...
Greetings: Got the latest Willmann-Bell catalog in the mail yesterday. There are several books of interest to ATM'ers listed as new, including a collection of...