Description
Open Star Cluster (Class I3r) in the constellation Bull. Diameter 110', brightness 1.2mag.
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Click on image to enlarge! |
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Date |
October 27, 2003 |
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Telescope |
Pentax 75 SDHF @f/6.7 (f=500mm), Losmandy G11 mount, FS2 drive unit |
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CCD Camera |
ST-2000XM at -25°C |
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Exposure |
LRGB: 2x1200s (1x1) / 1500s (1x1) / 1200s (1x1) / 1500s (1x1) |
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Localisation |
Kriftel / Rhein-Main area |
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Conditions |
Bad Conditions, light pollution |
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Note |
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Image Processing |
Full calibration, unsharp mask, histogram stretching |
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© Copyright 2002-2007 by Jürgen Stein |