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Uploaded 12-Mar-16
Taken 12-Mar-16
Visitors 149

15 of 39 photos
Photo Info

Dimensions1459 x 1042
Original file size195 KB
Image typeJPEG
Color spaceAdobe RGB (1998)
Date modified12-Mar-16 09:23
H alpha enhanced M1

H alpha enhanced M1

M1, the Crab nebula is the first of the Messier objects and a favorite astrophoto target. It is the reminent of a supernova explosion observed by Chinese astronomers in 1054.
20" f/4.1 telescope at the SDG observatory of Garry Sedun in Arizona.
Camera - SBIG ST2000 XM.
Guidescope WO 80mm f/6.8 APO.
Mount - Paramount ME
Exposures -
10 Blue, 10 Green, 7 red and 14 clear frames of 240s
17 - 5m exposures with Ha filter