Getting plate-solving status, please wait...
M31 (Andromeda Galaxy) in RGB + Hydrogen Alpha, Derek Spratt

M31 (Andromeda Galaxy) in RGB + Hydrogen Alpha

Getting plate-solving status, please wait...
M31 (Andromeda Galaxy) in RGB + Hydrogen Alpha, Derek Spratt

M31 (Andromeda Galaxy) in RGB + Hydrogen Alpha

Equipment

Loading...

Acquisition details

Loading...

Description

I have 3 versions of M31 on Astrobin: this image in RGB+Ha, RGB only (see https://www.astrobin.com/w4p1jz/), and RGB_Ha+O3 (see https://www.astrobin.com/shz7bb/).

Bortle 2 skies - I finally got perfect transparency and seeing conditions at this 5,500' elevation dark sky sight and took 40 x 30s RGB and 30 x 150s Ha and it came out looking better than my prior attempts so I am very happy - tons of detail.

Comments

Histogram

M31 (Andromeda Galaxy) in RGB + Hydrogen Alpha, Derek Spratt