The Pacman Nebula, NGC 281, in Cassiopeia
Canon EOS 40D
,Celestron C8 telescope
Total 3 hours & 20 min exposure: 3 x 10-minutes at ISO 1000; 17 x 10-minutes at ISO1600; f6.3; manually off-axis guided. The frames were registered and stacked using DeepSkyStacker software.
full exif