NGC7721 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC7721 is visible in the dawn sky, rising at 02:36 (PDT) – 3 hours and 6 minutes before the Sun – and reaching an altitude of 22° above the south-eastern horizon before fading from view as dawn breaks at around 04:33.
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Name
NGC7721
|
Object type
Galaxy
|
Position
| Right ascension: | 23h38m [2] |
| Declination: | −06°31' [2] |
| Constellation: | Aquarius |
| Magnitude: | 11.68 (V) [2] 12.24 (B) [2] 9.53 (J) [2] 8.88 (H) [2] 8.68 (K) [2] |
| Hubble type: | Sc |
| Distance: | 28.0 Mpc 91.3 Mlyr [1] |
| B-V Color (mag): | 0.56 |
Derived quantities
| Absolute mag (V): | -20.56 |