I acquired an older 16" dob for a good price. The pyrex main mirror has a metal decal on the side from "Meade Research Inc". I would like to restore the scope...
... mirror has ... to ... look ... the ... recoating? ... Before doing any of the above I would collimate as accurately as possible and field test the optics....
The older Meade Starfinder 16" F4.5 mirrors were good. I have one that was tested in an interferometer on a test bench at a professional optical company at...
I had the same question about my mirror that is about 3 yrs old . I was told by a well known telescope maker that about all the mirrors will show pinholes if a...
Hi Everone Can any one help me out there I have a canon EOS Rebel 35mm camera and I lost the owners manual before I bacame interested in astronomy. Heres My...
Hi Dave, Are you attempting to take photos directly through your scope or with a camera lens still attached to the camera? If you are using your scope then...
Is there anyone in this group thinking of going to the ICStars Star Party the weekend of Oct 19-22? I just heard that Rick Singmaster of StarMaster telescopes...
It is located at the ICStars ranch, about 5 mile NNW of Warrensburg, MO. This is also the home of the Charles Douglas Observatory. ....like I said, it's not...
the coordinates of the Charles Douglas Observatory and the ICStars ranch: N 38 49 52.5 W 093 46 08.5 Check out the image in Google maps. The whole grassy...
I'm sure they will, since Vic and Jen of ICStars are the owners of the company. I had forgot about DayStar. I'm sure they will have at least 1 display up and...
Just heard from Vic that wireless internet access will be available across the entire observing field. One more plus for this star party! -Scott ... the ... ...
I am a new member to the group and would like to build a telescope. I have seen a lot of information on grinding your own mirrors. How hard is it to do this ...
Grinding your own mirror is not that big of a deal, at least for a small one, say 10" in diameter or less. It requires patience, following a recipe precisely,...
I'm new here too. In keeping with the name of the group.in particular the "big" in bigdob. I would say buy the mirror. It is a big job to make a big mirror....
... I think it depends on why you want to make the mirror. First and aside... A wise man once told me: "If you're a beginner and want to make an 8" mirror,...
You plan on spending how many years for a big mirror? [chart]r2d2.cochise.edu/astro/images/High%20Knoll%20Obs/high_knoll07.jpg[/chart] ... From: Jerry To:...
Two weeks. It depends on the meaning of "typically". How long would you say would be typical for the typical person who has not made any mirror to finish a...
I think the best way to answer that is to read the logs of people who have actually made mirrors. Here are a few from both experienced and first-time mirror...
Two weeks will be enough time to build the Foucault tester. Then you can start on the mirror ;) A few years ago my club decided to build an 8" binoscope, so...
Hi Vic, It depends to an extent on how "valuable" your time is. What others have said regarding making a small mirror before tackling a big one is very, very...
Thanks Les, I think I will probably buy a 10 or 12 inch mirror and go from there. ... __________________________________________________ Do You Yahoo!? Tired...
... IMHO, a 20-inch f/5 is difficult. Over the years, I've dropped upwards of 200+ hours in figuring my 20-inch f/6.4. FYI, you need LOTS of space to mirrors...
What these mirror makers have left out of the work “time” is testing and all other things such as tool making, lap making, machine making and other things...
I wonder if any of you have had flocking paper peel off in extreme cold. As you knopw velcro will come off in the cold. This is defined as zero F. Indeed, I...
yes. But then I changed to Bryan Greers (Protostar) heavy duty adhesive-backed flocking and it hasn't peeled off the Kydex liner of my Obsession in below...
John Hall of Pegasus Optics will test your mirror for a reasonable fee and will refigure it to astonishingly close tolerances. I purchased a 16" Meade mirror...
My protostar flocking paper has peeled in places--I am not sure if it was due to the cold or due to residual stress from applying the flocking paper to begin...
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