The galaxy cluster Abell 21

Image of Abell 21
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
Please wait
Loading 0/4
Click and drag to rotate
Mouse wheel to zoom in/out
Touch with mouse to dismiss
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom. Click to enlarge.

From Cambridge , Abell 21 will become visible at around 18:31 (EST) as the dusk sky fades, 33° above your western horizon. It will then sink towards the horizon, setting 4 hours and 35 minutes after the Sun at 21:58.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.
Name Abell 21
Object Type Galaxy Cluster
Position
Constellation:Andromeda
Magnitude:16.20 (R)[1]
Right Ascension:00h20m [1]
Declination:+28°37' [1]

Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EST

Color scheme