Last updated on 11/13/2014

Abell 39

0bject Abell 39 Planetary nebula in Hercules  (PK 47+42.1)
Date July 7, 2012
Exposure LRGB 30:30:30:60 (cropped)
Camera STL11000M with AstroDon Gen II filters (water assisted cooling)
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding External guide head with 50mm MiniBorg
Processing MaximDL, Photoshop CS5, GradientXterminator, AstroActions
Comments Very warm (~80�F); acquired with CCD Commander


Full res crop  Full res crop X 150%

0bject Abell 39 Planetary nebula in Hercules  (PK 47+42.1)
Date June 20-24, 2010
Exposure LRGB 90:45:45:45 (cropped)
Camera STL11000M with Astronomik filters (water assisted cooling)
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding External guide head with 50mm MiniBorg
Processing MaximDL, Photoshop CS3, GradientXterminator, AstroActions
Comments Warm but with moderate seeing; nearly full moon on 2 evenings