Last updated on 10/26/2014


  Hα data

0bject B145 Dark nebula in Cygnus
Date July 21-28, 2012
Exposure HαLRGB 170:30:30:30:30  (cropped)
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,  AstroActions
Comments Moderate seeing; very warm (~80 - 90�F)