M13 - The Great Globular Cluster in Hercules
From the author of Sizing Up The Universe
Click here for Hertzsprung-Russell diagram.
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21:42 EDT Jul 30, 2009.
Starlight Express SXV-H9 on 10" RC at f/9.
L = 25.3 min, R = 6 min, G = 6 min, B = 12 min
Log, Unsharp Mask.
21:42 EDT Jul 30, 2009.
Starlight Express SXV-H9 on 10" RC at f/9.
L = 12 min, R = 6 min, G = 6 min, B = 12 min
(guided 2-minute subexposures).
Log, Unsharp Mask.
Subdued
Bright
01:52 EDT Jun 1, 2005.
Starlight Express SXV-H9 on 10" RC at f/9.
L = 10 min, R = 1.6 min, G = 1.6 min, B = 1.6 min
(mostly unguided 12-second subexposures).
Log, Unsharp Mask.
21:30 EDT Aug 9, 2004.
Starlight Express SXV-H9 on 4" Tak FSQ refractor at f/5.
L = 15 min, R = 10 min, G = 10 min, B = 10 min
(unguided 1-minute subexposures).
LogLog, Unsharp Mask.
23:42 EDT Aug 7, 2004.
Starlight Express SXV-H9 on 4" Tak FSQ refractor at f/5.
10 x 1 min unguided exposures.
Artificial Flat, LogLog, Unsharp Mask.
00:30 EDT May 29, 2004.
Starlight Express SXV-H9 on 4" TMB refractor at f/8.
13 x 1 min unguided exposures.
Log, Unsharp Mask, Artificial Flat, Gamma.
Multiresolution composite of 10"RC image with 4" FSQ image.
Click on image for a much larger version (371kB).
