This cover image is several exposures ( maybe around 32?) With around 10 dark frames,taken overhead in my front yard(the one with the evil street light lol).Stacked in Deep Sky Stacker and edited in Ps.
The first two photos in this album are the difference between tracking and stacking piggy backed on +Mike Rector ‘s telescope (Omni XLT)and the second,my camera alone on a tripod.
The second image was taken with these specs:
Canon EOS 7D
Exposure: 25 sec (1/0)
Focal Length: 17 mm
ISO Speed: 400