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M2 (NGC7089) |
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Description |
Globular Cluster (Class II) in the constellation Water Bearer. Diameter 11.7, brightness 6.5mag. |
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Date |
October 16, 2003 |
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Telescope |
Meade 10" SCT @f/6.7 (f=1680mm), Losmandy G11 mount, FS2 drive unit |
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CCD Camera |
ST-2000XM at -25°C, AO-7, IR filter |
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Exposure |
14x60s (2x2) |
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Localisation |
Kriftel / Rhein-Main area |
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Conditions |
Bad Conditions, windy |
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Note |
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Image Processing |
Full calibration, digital development |
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© Copyright 2002-2007 by Jürgen Stein |