M101 - NGC5457
in Ursa Major
Optic |
Celestron C14 f/5
(f=2000mm)
|
Mount |
Losmandy G11 |
Camera |
SBIG ST-10E + CFW8 + AO7 |
Exposure time |
LRGB: 36min:18min:18min:30min (RGB 2xbinned |
Processing |
Registar, Sigma Beta (Ray Gralak), Astroart, Photoshop
|
Date / Time |
16th May 2002 / 22:08 - 1:00 UT
|
Location |
Rohrbach / Niederoesterreich
|
Notes |
poor seeing, chip temp. -20°C
|
astrophotos © by manfred schwarz