This image is a combination of 4 layers. Layer 1 is Luminance is a combination of 2 images, each of 60 seconds. Layer 2 is Red is a combination of 5 images, each of 60 seconds. Layer 3 is Green is a combination of 5 images, each of 60 seconds. Layer 4 is Blue is a combination of 5 images, each of 60 seconds. Each of the images was corrected with a dark frame and a flat field. The images taken with a AltaF-9D2 attached to an Meade LX200R 12” F/10 telescope.
Guiding was done with an autoguider attached to the Ian Kanan Adams Pass Telescope, a Megrez 110mm F/5.95.
This is the last evening of imaging with the Apogee U9. It has given me nothing but grief and Apogee does not seem to be able to fix it.
Click here for the full resolution image