Abell cluster 21 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , Abell cluster 21 is visible in the evening sky, becoming accessible around 17:38 (EST), 57° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:07, 77° above your southern horizon. It will continue to be observable until around 01:46, when it sinks below 21° above your western horizon.
|
Name
Abell cluster 21
|
Object type
Galaxy cluster
|
Position
| Right ascension: | 00h20m [1] |
| Declination: | +28°37' [1] |
| Constellation: | Andromeda |
| Magnitude: | 16.20 (R) [1] |