The Whale Galaxy (NGC4631)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 14 arcminutes across.
From South El Monte , the Whale Galaxy is visible in the dawn sky, rising at 22:54 (PST) and reaching an altitude of 78° above the eastern horizon before fading from view as dawn breaks at around 05:46.
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Name
The Whale Galaxy (NGC4631)
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Object type
Galaxy
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Position
| Right ascension: | 12h42m [4] |
| Declination: | +32°32' [4] |
| Constellation: | Canes Venatici |
| Magnitude: | 9.30 (V) [5] 9.47 (B) [2] 7.53 (J) [2] 6.83 (H) [2] 6.47 (K) [2] |
| Angular dimensions: | 14.4 arcmin x 2.2 arcmin |
| Position angle: | Major axis 86.0°E of N |
| Hubble type: | SBcd |
| Distance: | 6.3 Mpc 20.6 Mlyr [1] |
| B-V Color (mag): | 0.23 |
Derived quantities
| Absolute mag (V): | -19.70 |
Sources