M 3
M3 Globular cluster in Canes Venatici


0bject M 3 Globular cluster in Canes Venatici
Date April 21-23, 2017
Exposure LRGB 170:70:60:60 (6 hours, 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, NIK Sharpener
Comments Moderate seeing, windy; acquired with CCD Commander from Animas NM


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Object M3 Globular Cluster in Canes Venatici
Date  5/2/2008
Exposure LRGB 25:25:25:25 (luminance synthesized from RGB, unbinned)
Camera STL11000M with Astronomik filters
Telescope Takahashi FSQ 106N f/5 on Losmandy G11 w/Gemini
Guiding Remote guide head with E-finder
Processing MaximDL , Photoshop CS3, FITS Liberator, GradientXterminator
Comments Cool and clear

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Object M3 Globular Cluster in Canes Venatici
Date  5/7 and 5/11/2007
Exposure LRGB 27:30:33::27
Camera ST2000XM with SBIG filters
Telescope LX200 f/8.2 on Losmandy G11 w/Gemini
Guiding Self-guided
Processing MaximDL , Photoshop CS2, AstroActions, GradientXterminator
Comments Warm and hazy both evenings

 

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Object

M3 Globular Cluster in Canes Venatici
Date  4/30/2005 
Exposure LRGB 21:6:9:9
Camera SXV-H9 with Schuler filters
Telescope LX200 f/6.3 on Losmandy G11 (~1600 mm)
Guiding ST-4
Processing MaximDL v4.07, Photoshop CS
Comments Cool, moderate seeing