Howdy. All this talk about ep's has me wondering whether I should choose an f/6 or f/4.5 newt. For any given ep, what will the difference be in TFOV be for the...
High, I'm new to the group. I've decided to join the Big Dob club and am ordering a 22-inch F4 mirror from Steve Kennedy. Steve advised me to decide on a...
How about some opinions on dirty mirrors? Has anybody done any qualitative testing on the difference between a dirty mirror and a sparkling clean one. Is is...
Allen, I plan to be there for the weekend - probably arrive Friday, mid-day. This year I think I'm bringing the AP 155mm f/7. I hope to see you there too...
Hi All. I recently read a good review on AstroSky scopes, and was wondering if any of you had experience with them. I am interested in that they may have an...
Want to make a trip either to Devil's Den state park or Queen Wilhemina Lodge. Anybody care to comment on comparative features of either place for setting up...
I just wanted to mention the Mid-Atlantic Star Party, starting tomorrow and going till early next week. I have been every year, and this is the 11th one. We...
Last night, I was on the internet noticing that you can get the low power eyepieces in a 2-inch barrel rather easily (like a 26mm, 30mm, 36mm, etc.). However,...
OK, me again with all my eyepiece questions. My focal length is 1500mm, so using my 2-inch eyepiece, I can view faint fuzzies at 50x. The other night, I tried...
Hi all. I may be changing jobs, requiring a relo to Northwest IL. Are any of you in the Freeport area? Is there an astronomy club? Thanks, Matt Harmston ...
This is a pretty basic question, but still need some advice- what should I cover the tubes of my truss DOB with? (The gray, pipe insulation seems to be an...
Hello- In the photo section, is a folder titled "Len's 14". One of the photos shows a good view of the shroud. I have a friend who is a great seamstress, and...
Hi guys, I just completed construction of an F5 12-dob. I am using a Hardin Optical Primary, an Orion secondary, and a helical focuser, mirror cell and spider...
No point in asking this question on an sct group. But, I'm sure this is the place to ask THIS question. Has anyone here used the 2" 4x Powermate? And, does it...
Dale Do you have a web address ? Thanks John My first Torus mirror had a coating by Clausing. It started peeling and was full of pin holes. A few years ago...
I have a 24" f/3.3 dob and I have no lunar filter. I'd like to buy one to use for visual use. I make pictures of the moon, but I think I won't use the filter...
I realize the odds of this hitting the mark are extremely small but... I believe I lost a pair of prescription bifocal glasses at this years RTMC. They were in...
Due to advancing age and low back pain, I must downsize. If you would like to have a 25" f/4.5 'scope that can be used right away, but could use upgrading and...
Steve, Good to see that you posted a picture of Mike's mirror. I was wondering what it looked like. Mike is a bit eccentric, but I'll have to admit if he gets...
I have a Lumicon UHC filter, which I purchased new a number of years ago, before Lumicon was resurrected. So an original Lumicon 2" UHC. It has always...
Hi. I'm looking for a truss tube dosonian logo. Something like the logo on http://www.obsessiontelescopes.com , but just the telescope. At the next club...
Hi - I had some curious results while collimating my scope last night. I went through my usual routine: rough alignment with the laser, more careful alignment...
Are there products available or does anyone know of a solution for a handicapped individual that might permit viewing with a large dob - (eyepiece well above...
Hello- I have a 14" Obsession clone on which I've recently installed a ServoCat/ArgoNavis system (love it, love it!), along with the "stalk" for the handpad &...
http://homepage.ntlworld.com/damian.peach/2005_10_05rgb_DAP.jpg Note the cloudcover just off center and a bit down. I'd like to have bad nights like this. I...
Hi Folks, I am hoping that there might be a person on this forum who can help me. Three days ago (Monday) I sent a$215.00 via Paypal along with two e-mails...
