-----BEGIN PGP SIGNED MESSAGE----- ANY MODERN ASTRONOMY program will work for this lesson. I recommend using the freeware Astrolog 5.41G with the freeware...

Hi to all, this is my first contribute (i hope) for the list, my name is Fabio Acquarone and are almost three years that i am interested in amatorial...

Hello everybody, I'm contemplating purchasing a SBIG AO-7 as being the only so called adaptive optics device currently on the market . I'd like to know : 1 -...

Any experiences with this or reviews? http://www.celestron.com/neximage/ Jim Horn

Can anyone tell me what FWHMs is and how it relates to FWHM?

Orion will be shipping two new color imagers in November. Two groups have been set up for the discussion of these new entries into the astrophotography...

Two crashing galaxies may have shot out a "supermassive" black hole that is soaring through space, some astronomers...

http://www.livescience.com/technology/061002_single_pixel.html I think the future of amateur astro-imagers just got brighter! ;) Cleardarkskies! Orion314

Hey folks, I'm just a beginner, but I'm intrigued with how you guys collect image data over time. I often hear 20+ hours of data or more implying that...

It's that time of year again for the Barnard's Star update. There is a small star very close now that makes it easy to see the motion since...

This is probably my last word on M101. I have imaged it with film, CCD, monochrome and color; with telescopes from 4" to 16". This week's image was taken with...

I shot this image of M27 over the past few nights through Ha, and a Blue filter. I had 5.75 hours of Ha, 3.25 hours of and one hour of Blue. The emission...

I finally spent an evening using my AP Traveller and AP900GTO mount I purchased a few months back. I put my ST10XME and my FLI DF2 and FLI CFW1 filter wheel on...

What would be required to do spectral analysis of stars, nebulae and galaxies with an 8 inch SCT? What other equipment would be needed? Anyone have links or...

Does anyone have the lunar planetary imager that can give us a review? Thanks, Bruce

Back in October when I was taking widefield survey shots I took this tricolor emission line image of the IC1805/IC1795...

Dear all The image of Venus has been improved ulteriorly with the decomposition of other AVI. I'm sorry for this other message and I indicate the link...

Al Kelly suggested that he should make a composite image from his LRGB data and my emission line data. So I sent him the data I had taken (raw stacks), and he...

Hello, I have a series of 15 back-to-back images of Jupiter I took with my Olympus C4050 on a Meade 10" f10 SCT, afocal setup. I've tried...

This is a new photo made on the mountain of Tuscany: Mt Amiata (1500m). Takahashi Telescope BRC250 + ST-10XME unfiltered. Exposed: 12 x 900 seconds ( 3 hours...