NGC 3521
NGC 3521

NGC 3521 cropped Crop 1.1X  NGC 3521 Stretched  Stretched

0bject NGC 3521 Spiral galaxy in Leo
Date March 26-29, 2015
Exposure LRGB 309:30:30:20 (cropped)
Camera STL11000M with AstroDon Gen II filters
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding Remote guide head with MiniBorg 50 mm
Processing MaximDL, Photoshop CS6, GradientXterminator, AstroActions, NIK Dfine
Comments Marginal seeing with 1st quarter moon; acquired with CCD Commander