Messier 101
2005 April 8-9th from my back
garden in Leigh on Sea, Essex, UK
Televue TVNP101 100mm APO refractor 540mm fl.
Sbig ST4 autoguider
Starlight Xpress HX916 CCD camera
True Tech RGB colour filters ( no LPR filter)
LRGB image total 75 mins L30mins 1x1, R15mins 2x2, G15mins 2x2, B15mins 2x2 all 5min sub
exposures.
This was my first LRGB image from my portable set up hurriedly set up in my back garden after a promising weather forecast for the coming night.