ASTRO: M51 LRGB from Backyard in Castro Valley, California

This past weekend I finished my M51 shot, which is the first image that I
took using my new AP67CCD focal reducer on my C14. I used my AO7 and ST10XME
for image capture, with Optec LRGB filters and a Finger Lakes filter wheel.
Everything was mounted on my AP1200GTO mount.

Exposures were 20 minutes unbinned for luminance and 10 minutes binned 2x2
for color data.

I took five luminance shots and six through each of the colors for a total
exposure time of three hours 40 minutes.

http://www.rdcrisp.darkhorizons.org/...alaxy_page.htm

Richard Crisp wrote:

This past weekend I finished my M51 shot, which is the first image that I
took using my new AP67CCD focal reducer on my C14. I used my AO7 and
ST10XME for image capture, with Optec LRGB filters and a Finger Lakes
filter wheel. Everything was mounted on my AP1200GTO mount.

Exposures were 20 minutes unbinned for luminance and 10 minutes binned 2x2
for color data.

I took five luminance shots and six through each of the colors for a total
exposure time of three hours 40 minutes.

http://www.rdcrisp.darkhorizons.org/...alaxy_page.htm

Richard,

Excellent shot! Especially with the more complex optical train.

David Moody