NGC 4631: The Whale Galaxy in Canes Venatici
| Right Ascension: | 12 : 42.1 (hours : minutes)
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| Declination: | +32 : 32 (degrees : minutes)
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| Apparent Magnitude: | 9.3
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| Apparent Diameter: | 15.1 (arc minutes)
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More information in NGC 4631
Exposure: 70 minute LRGB exposure: L=40 minutes (20 x 120sec.), R=10 minutes (5x 120 sec.) 2xbinned, G=10 minutes (5x 120 sec.) 2xbinned, B=10 minutes (5x 120 sec.) 2xbinned.
Camera: ST-237 cooled @ -15c
Guiding: ST-4 on ST-80 @ f/10
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Processing: Maxim/DL, Photoshop 6.0
Date: 04-16-02 |
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