M100: Spiral Galaxy in Coma Berenices
| Right Ascension |
12 : 22.9 (h:m)
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| Declination |
+15 : 49 (deg:m)
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| Distance |
60000 (kly)
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| Visual Brightness |
9.3 (mag)
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| Apparent Dimension |
7x6 (arc min)
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More information on M100
Exposure: 88 minute LRGB: L=40 minutes (20x 120 sec.), R=16 min. (4 x 240 sec.) 2x binned, G=16 min. (4 x 240 sec.) 2x binned, B=16 min. (4 x 240 sec.) 2x binned.
Camera: ST-237 cooled @ -25c
Guiding: ST-4 on 80mm @ f/10
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Acquisition and Processing: Maxim/DL and Photoshop 6.0
Date: 4/10/02 |
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