Abell cluster 840 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , Abell cluster 840 is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.
Name
Abell cluster 840
|
Object type
Galaxy cluster
|
Position
Right ascension: | 09h47m [1] |
Declination: | +78°42' [1] |
Constellation: | Draco |
Magnitude: | 17.30 (R) [1] |