Open Cluster, Cygnus
Mag 4.6 Size 32′
2010-08-18
200mm f5 Newtonian, Canon EOS 350D
10x60s subs ISO 800
Nebulosity 2, PS CS5
Use PHD guiding for the first time. Not a good result: some trailing and odd rotation at the edges? Maybe camera alignment/movement? I will be going back to Guidemaster.