Hello All I have a XT10, f4.7, 1200mm. A 10 and 25mm plossel are what came with it. I bought a used 10mm wide angle I really like, but there are so many...
Fellow Astronomers, I recently replaced my homemade finder scope with a neat 60mm one. Better and clearer over the cheap poorly constructed ones often found on...
Date: Tue, 07 Mar 2006 04:57:11 -0000 From: "clusterclint" <clusterclint@...> Subject: Eyepieces Hello All I have a XT10, f4.7, 1200mm. A 10 and 25mm...
From: Wayne G [mailto:fomalhaut@...] Sent: Tuesday, March 07, 2006 12:14 PM To: 'NewtonianReflector@yahoogroups.com' Subject: RE: : Eyepieces I should...
... came ... are ... Televue ... Any ... to ... all ... eyepieces, ... guideline for ... and a ... round, ... if you ... reputably ... Later ... and ... pond. ...
... I recently bought a couple of used Meade series 4000 Plossls on eBay for $30-$35 each (about average if you look at completed listings). They arrived...
I'm in the process of (hopefully) refurbishing an Orion 8" Deep Space Explorer Dobsonian purchased originally in 1995. The tech people at Orion advised that I...
I’m in the process of (hopefully) refurbishing an Orion 8” Deep Space Explorer Dobsonian purchased originally in 1995. The tech people at Orion advised...
University optics has a couple low profile focusers I think, and spiders. Also try Murnigan optics ... __________________________________________________ Do...
After owning my r200ss OTA for over a year I am confident that I can say the following. 1-with coma corrector it produces a flat photographic field at the ...
I have a C150-HD with a 1.25" focuser. It has a built in T-ring on the focuser which allows enough inward travel to do prime focus photography - a standard T...
Fellow Astronomers and Space enthusiasts, Although not pertaining to telescopes and optics, I think we all enjoy a good space report. I recently had the grand...
Guys, What I'd call the STEAL of the century just came to my attention on AM--- a super-planetary 8" f/8 with Zerodur and quartz mirrors. Ya gotta read the...
I am collecting Venus images or drawing, if some are interested to join, send your images or drawing, new or old, to; gorlin@... Image size max ~40kb ...
Hello everyone! I've been searching the Internet for a Crayford style focuser that will fit my 6 inch f5 Celestron Newt. I don't want to drill holes in the ...
You may need to resort to finding someone with a machine shop so you can cut the proper tube radius on the base and drill the holes in the right location. ...
Try here. I've purchased one of these from him and it's excellent. Make sure and measure the holes accurately unlike myself. I was out aprox 1/8" and needed to...
I thought I would forward this little story along to a few of you: Recently, a friend who had a malfunctioning $15,000 24" dobsonian just got it working again...
That is a sad story about leaving a scope in the sun with no cover on the mirror. I almost had a tragedy at my home with a six inch Newtonion. I was showing...
Group - back in Feb 06 there was a short thread in this forum on the subject of the frequency accuracy of the 60 Hz power line; this thread began with ...
Interesting stuff. Too bad none of his information can be verified. Being up here in Alaska, I believe I am on yet another grid that is isolated from the rest...
On 31 July 06 cerickson@... wrote: "Interesting stuff. Too bad none of his information can be verified. Being up here in Alaska, I believe I am on yet...
If I might jump in here. I am one of those lurkers. A friend of mine was an engineer (he has passed on) that worked for PEPCO (Potomac Electric Power Co) and...
On 2 Aug 06 "john.stracka" wrote: "A friend of mine was an engineer (he has passed on) that worked for PEPCO (Potomac Electric Power Co) and told me that the...
I worked for many years in steam/electric power plants. We did our best to hold freq to an "acceptable" limit. But when a big load swing would occur the freq...
hi group, i've always wondered about the 'spot' a lot of references recommend taping onto your mirror to mark the center and why you aren't risking causing...
What I do is cut a thin cardboard circle (marked with a compass) the diameter of the mirror. I then cut out about a 1/4" diameter hole in the center of the ...
The way I located the center to apply a "spot" was to cut a circle out of paper the same diameter as the mirror. Then fold the paper in quarters and clip off...
Hi,everyone, I just joined your group to try to get the word out to look for my stolen scope. Stolen in the last 2 weeks. I posted a forum notice on Astromart...
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