Karel Teuwen - M101 (NGC 5457)

M101 (NGC 5457)

in Ursa Major

Instrument:	TMB152@f8 mounted on a 10Micron GM2000QCI
Detector:	SBig STL11000
Filters:	standard SBig
Exposures:	Lum : 870 min (1x1bin) and RGB 270:170:290 min (1x1bin)
Location:	Grandchamp and Verclause (France)
Date:	29, 31-3-2006 and 26, 27-02-2009 and 02-03-2009
Comments:	data acquired remotely (partly)