Crab Nebula Messier 1
2004 September 19th at the Kelling
Heath Star Party, Norfolk, UK
Televue TVNP101 100mm APO refractor 540mm fl.
Sbig ST4 autoguider on G11 Mount
Starlight Xpress HX916 CCD camera
True Tech RGB colour filters
LRGB image L25mins 1x1, R15mins 1x1, G15mins 1x1, B15mins 1x1 all 5min sub
exposures. 70min total exposure
The night was clear and beautifully dark, just how a proper sky should be.