Galaxy NGC 7217
History
The galaxy NGC 7217 was discovered on 7th September 1784 by the German-British astronomer William Herschel with his 18.7 inch reflecting telescope. [277]
Physical Properties
It is a galaxy of morphological type (R)SA(r)ab with a LINER-type active core. Distance specifications range from 16 Mpc to 18.4 Mpc. [145]
| Designation | NGC 7217 |
| Type | Gx (Sb) |
| Right Ascension (J2000.0) | 22h 07m 52.1s |
| Declination (J2000.0) | +31° 21' 34" |
| Diameter | 4 × 3.4 arcmin |
| Photographic (blue) magnitude | 11.0 mag |
| Visual magnitude | 10.1 mag |
| Surface brightness | 12.7 mag·arcmin-2 |
| Position Angle | 83° |
| Redshift | 0.003176 |
| Distance derived from z | 13.42 Mpc |
| Metric Distance | 17.200 Mpc |
| Dreyer Description | B, pL, gbM, er |
| Identification, Remarks | UGC 11914, MCG 5-52-1, CGCG 494-2, KARA 947, IRAS 22056+3106 |
Finder Chart
The galaxy NGC 7217 is located in the constellation Pegasus. The best observation time is June to November, when it is highest at night.
Visual Observation
Description pending ...