| | Great Andromeda Galaxy | M31 | Messier 31 | NGC 224 | | The Great Andromeda Galaxy, at 220,000 light years across and a trillion stars, is over twice the size and population of the Milky Way. | | |
| Details: | | Night of: | Saturday October 9, 2010 | Site: | Palomar Mountain | Local Time: | 9:15 PM | Oct 9, 2010 | Altitude: | 50° | | RA: | 00h 42m 44s | Declination: | +41d 17' | | Distance: | 2.5 million light years | Magnitude: | +3.4 mV | Size: | 190' x 60' |
| | Camera Settings: | | Telescope: | 9.25-SCT | Camera: | Orion Starshoot DSI2 + 0.5x Reducer | f/ratio: | f/5 | Pixel Scale: | 1.49 arcsec | Image Size: | 768 x 566 pixels (0.4 MP) | | 19.1' x 14.1' | Exposure: | 30 sec | |
Stacked Frames: | 15 | Total Integration: | 8 minutes |
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