| | 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: | Friday September 17, 2004 | Site: | Joshua Tree | Local Time: | 12:15 AM | Sep 18, 2004 | Altitude: | 70° | | 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: | SBIG ST237A | f/ratio: | f/10 | Pixel Scale: | 0.717 arcsec | Image Size: | 644 x 481 pixels (0.3 MP) | | 7.7' x 5.7' | Exposure: | 30 sec | |
Stacked Frames: | 6 | Total Integration: | 3 minutes |
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