M101: Spiral Galaxy in Ursa Major
| Right Ascension |
14 : 03.2 (h:m)
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| Declination |
+54 : 21 (deg:m)
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| Distance |
27000 (kly)
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| Visual Brightness |
7.9 (mag)
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| Apparent Dimension |
22.0 (arc min)
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More information on M101
Exposure: A 25 minute composite stack of 5 180 second exposures (15 minutes) and one 600 second (10 minute) exposure.
Guiding: ST-4 on the Meade 90mm @ f/11
Telescope: 80mm ST-80 f/5
Camera: ST-237 cooled at -18c
Processing: Maxim/DL and Photoshop
Date: 7/26/01 |
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