Last updated on 10/26/2014



0bject Sh2-91 Supernova remnant in Cygnus
Date August 1-7, 2012
Exposure Hα only 390 minutes (15 minute subs, uncropped)
Camera STL11000M with AstroDon Gen II filters (water-assisted cooling)
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding Remote guide head with MiniBorg 50 mm
Processing MaximDL, Photoshop CS5, GradientXterminator, AstroActions
Comments Moderate seeing; color data not very useful. Acquired wth CCD Commnader