Showing posts with label M31. Show all posts
Showing posts with label M31. Show all posts

Monday, September 21, 2015

The Andromeda Galaxy (M 31)

The Andromeda Galaxy (Messier 31) is a spiral galaxy approximately 2.5 million light-years from Earth.
Date: 2015.09.19-20.
Location: Daejeon Education Training Institute, Gongju, Korea
Telescope: FS-60CB with a focal reducer (FL: 264 nm, F/4.4)
Guide scope: CCTV lens (FL: 100 mm, F/3.5)
Mount: Unitec SWAT-300
Camera: SBIG STF-8300M w/ Baarder filters
Guide camera: QHY5L-II-C
Exposure: Ha (1bin) 300s x 4, (2bin) 300s x 5; L (1bin) 300s x 2, 180s x 7, 120s x15;
RGB (1bin) 120s x 5/each, (2bin) 120s x 5/each