If anyone is interested, I bought one of those 6" Chicom reflectors found enmasse on Ebay out of curiosity. I got it quite cheap, probably because (1) its odd...

I would like to buy a dob. I'm thinking of either an Orion SkyQuest 8" or 10". Two questions: Is the "Computerized Object Locator" worthwhile? Is a 10" worth...

Anyone make such a rich field creature? Like to find something where the OTA and mount EACH weigh 10 pounds or less. And ideally would have a 2"...

What do you all recommend using to blacken the exposed screws inside of a dob's tube? You know: the ones protruding into it from the focuser, the finder,...

Ref: http://spaceweather.com/ AURORA WATCH: Auroras are possible tonight because the interplanetary magnetic field (IMF) near Earth has turned...

I was wondering if amateur astronomy his a high attrition rate. I wonder this because I read all these postings (here, on cloudy nights and on astromart) from...

At $499 this thing looks great. Is it? Is there a better $500 setup? I use an Orion 120mm Refractor with a glass solar filter now. It's about all that that...

Hi All, I'm having a problem obtaining good star images at prime focus with my Nexstar 8 and a Canon 10D camera. This is not the jitter or mirror flop...

Title: Sky and Telescope's Star Wheel (40 North edition) Price: about $15 U.S. Published 2004 by Sky Publishing As many of you know, I'm a big fan of star...

I would like to purchase, in moderate quantities (say, between 20 and 50), those eclipse shades mounted in cardboard, such as are occasionally seen stapled...

Hi All, New CCD pictures with my ST-10XME on my website : - NGC-7000 : first test with my William Optics Megrez 80 Triplet Fluorite APO. I wait the reducer...

This article in S&T describes exactly why the HST should be put into "energizer bunny mode' http://skyandtelescope.com/news/article_1296_1.asp If not for...

Hello, I'm having a hard time locating any reference dealing with analysis of wavefront aberrations in SCT type scopes. More specifically, how are the primary...

Where does the ubiquitous 2.7 in focuser come from - it's not a convenient size in either English (2.7in!) or Metric (68.6mm!) Yet it seems to be some kind of...

Hi, There's a pretty little PN in her wide field off stars. Enjoy ! Regards. http://perso.wanadoo.fr/passion.azur/index4.htm

I have a 14" Celestron SCT that I suspect has some sort of optical problem like spherical aberration. I can't realistically expect to do a good star test due...

http://groups.yahoo.com/group/ap-ug/message/23221 http://groups.yahoo.com/group/ap-ug/message/23222 Very exciting times. Good Luck, Roland. Ed T.

I got this spam offer e-mailed to me just now: "Via*gra offer. The best ED drug ever. Only a buck and half." I wonder if it brings together ALL my colors? ...

Hello again, I am going to be participating in the Table Mt. Star Party in Washington state next week, I am in my first year of amateur astronomy and as such...

hi, I want to write a java program that will provide the planetary positions at any point of time. I understand that the most accurate data is the JPL data and...