NGC 6946

Spiral Galaxy NGC 6946 (= H IV.76), type Sc, in Cepheus

[NGC 6946 image]

RA:
20 : 34.8
Dec:
+60 : 09
Type:
Sc
RV:
+338 km/s
Distance:
10,000 kly
Apparent Dimension:
11 x 10 arc min
Diameter:
Brightness:
+8.9 mag
Abs. Mag:
Mass:
Discovered 1798 by William Herschel.

In the times of early redshift and distance determinations, and the discovery of the Local Group, this galaxy was suspeted by E.P. Hubble to be an outlying member of the Local Group. It truned out later that at its distance of about 10 million light-years, it lies clearly beyond.

  • More on NGC 6946, SEDS Messier database


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