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M90 (NGC4569) |
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Description |
Barred Spiral Galaxie (Type SBab) in the constellation Virgin. Size 9.9'x4.4', surface brightness 13.6mag. The small Galaxy on the right is IC 3583 |
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Date |
March 22, 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-7 at -25°C, AO-7 |
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Exposure |
4x900s (1x1) |
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Localisation |
Kriftel / Rhein-Main area |
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Conditions |
Bad Conditions |
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Note |
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Image Processing |
Full calibration, Lucy-Richardson deconvolution, histogram stretching, FFT low-pass filter |
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© Copyright 2002-2007 by Jürgen Stein |