Cocoon Galaxy





IMAGE INFORMATION OBJECT INFORMATION
Telescope C9.25 on AP1200GTO Designation NGC4490
Focal Length F/6 1385mm Position RA DEC
Guiding Sbig remote Guide head thru eFinder Type Galaxy
Control MaximDL Magnitude
CCD Camera Sbig ST2000XM Size arcminutes, LY Dia
Image Scale 1.2 arcsec Distance million Light years
Filters AstroDon type II RGB Constellation
Exposures 11 x 5 min Lum 1x1, 10 x 4 min ea RGB 2x2    
Calibration Flats, darks.    
Software MaximDL, Photoshop CS2    
Date Texas Star Party April 2009    
NOTES: Love those dark west Texas skies.