|
Please adjust your monitor to see all 17 greyscale shades
 |
M51 - Whirlpool Galaxy
April/May 2003
LX-200 10", SBIG-STV camera, Mogg 0.3 focal reducer approx f3.3
75x 1minute exposures, Dark and flat field subtraction
Alignment and flat-frame subtraction in SBIG CCDsoft
Final stretch & unsharp mask in Iris |
|
