Open Cluster NGC 7789
Imaged 2008 September 26th 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 L 26 mins 1x1, R 10 mins 1x1 G 10 mins 1x1, B 10 mins 1x1, 56 minute total exposure.
Sub exposures Luminance 200 sec, RGB 150 seconds
Click here to view a full resolution 449KB size file
The Luminance and RGB colour components were taken from Kelling Heath during the Equinox star party. The sky was dark but hazy and the conditions were still with passing thin high cloud making guiding difficult.
