Description
B33: dark nebula, size: 6'x4'; IC434 emissions nebula, size: 60'x10'; NGC2024: emission nebula, size: 30'x30'; NGC2023: emission and reflection nebula, size: 10'x10'
All objects in the constellation Orion. The bright star on the left side is ζ Orionis
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Click on image to enlarge!
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Date |
February 16 & 18 & 20, 2004 |
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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 |
L(=Hα)RGB: 5x1200s+3x900s (1x1) / 4x600s (2x2) / 4x600s (2x2) / 3x600s (2x2) |
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Localisation |
Kriftel / Rhein-Main area |
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Conditions |
Bad Conditions, light pollution, Fringe Killer Filter |
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Note |
LRGB exposure (above), L = Hα exposure (below) |
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Image Processing |
Full calibration, pre-processing with MaxIm, final processing with Photoshop |
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© Copyright 2002-2007 by Jürgen Stein |