Does anyone know how I should clean the secondary mirror in my C-11? Last night was extremely dewy. So dewy in fact that the secondary mirror was covered with...
Wash it the same way you would the primary (there are lots of different websites that describe methods). I let the mirror soak in warm tap water with a little...
Dr Clay Sherrod's site goes into detail regarding how to clean mirrors,link enclosed. <http://www.arksky.org/asoclean.htm#mirrors> The procedure described by...
I have an 8"LX200GPS. I like this scope a lot. I got this scope after using a Meade 4 1/2" reflector, so the difference of views through the two scopes was...
WayneG, thanks for the references -- I'll look for them. But you know, "one look costs a thousand words" -- there is nothing you can replace the first-hand...
Mike, just a quick word of caution and that is don't use much force if any on the cleaning when it comes to secondaries, as the reflective coatings are very...
Hi: That is NOT normal. A correctly coated mirror won't rub off. Chances are the secondary was not cleaned sufficiently before being coated. Peace, Rod Mollise...
Hi, I was the original poster on this secondary cleaning issue. I just want to make sure I was clear on the mirror at issue. I used the word "secondary...
Hello all: I'm trying to find out but I'm not sure if I'm asking the question correctly.... For example..... I have a 10" primary mirror, that is dirty, I have...
... Meade optics are usually very good to excellent. Maks typically show better contrast because the secondary is smaller. But the downside is that the f ...
You won't hurt the mirror submerging it in water, regardless of whether it has a coating over the aluminum (which nearly all mirrors do). The overcoat just...
You can safely give your mirror a bath. I don't know of anyone who lacquers mirrors these days. The normal overcoat is silicon dioxide and is not harmed by...
... WG: Les, I second the advice that if you MUST clean your secondary, follow the tips by the fellow who soaked it in mild detergent and patted it under...
Jeez...no clear skies for 2 months and to ad insult to injury , lightning blows out my cable modem. 36 hours later after a modem replacement by Brighthouse, I...
I know what you mean. I put fresh batteries in my LX90 last night, just wishful thinking. I turned on the autostar to make sure all was well, and showed me the...
Chuck Why should you be different than everyone else?(JK) I think everyone has poor skies, although I think ours should be clearing in a week or two as we...
Hey Frank...good to hear from you. I hope your health is improving and all is well with your family. The weather has been really strange this summer. It has...
I am a new telescope purchaser looking for some guidance. I have something in the neighborhood of $2,000.00 to work with. My concerns/interests are quality,...
Group, Assuming tracking is not an issue and that one uses a color CCD camera, what is the advantage of capturing one (1) 10min image vs. stacking thirty (30)...
Hi Victor- There are at least two major differences in the final result with these two methods (and this is true for both color and B&W cameras). In the first...
... The secondary on an SCT is much farther from the focal plane than the secondary on the same size newtonian. A small movement of the secondary in the SCT...
Maybe, but having no brain and hundreds and hundreds of bookmarks scattered over 3 different Browsers on 4 different machines means I can never find the one I...
Hi Chuck Well Frank was in then out. His back has been wearing on him todays after doing the polishing on 70+ Stop Bars for new wedges. He is going for an...
... Jupiter's tilt is about 3 degrees and the inclination of the orbit is about 1 degree. Altogether they don't make much difference in the appearance of the...
Hi: I have an issue that I need assistance with. I have a 10" LX200 Clasic f/10 on a MEADE Superwedge, an SBIG STV camera, and a Starlight Xpress SXV-H9. I...
... I have to ask this question, although I've been hoping to answer it myself experimentally. Wouldn't a bunch a short exposures never capture a dim object...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
