Full frame image 18 x 5 minute exposure at 800 ISO on October 20, 2007 from Wateren (Drenthe). SQM reading 21.1
A bright Orionid green meteor slashed the nebula during a test exposure, the frame was added to the stack. Modified Canon 350D, through a 20-cm (8") f/2.75 ASA Astrograph.
Full frame image 18 x 5 minute exposure at 800 ISO on October 20, 2007 from Wateren (Drenthe). SQM reading 21.1
Same image as above, only without the meteor. The advantage of a 1 magnitude darker sky background is obvious, see the images below.
Modified Canon 350D, through a 20-cm (8") f/2.75 ASA Astrograph. Click on the image for a full size version.
Full frame image 12 x 5 minute exposure at 800 ISO on October 13, 2007 from Beilen. SQM reading 20.1
Modified Canon 350D, through a 20-cm (8") f/2.75 ASA Astrograph.
50% scale image
Crop from the top image, 100% scale.