Galaxy NGC 7217

NGC 7217: Galaxy in Pegasus; 500 mm Cassegrain f/7.2; SBIG STL11K; 190-50-50-50 min LRGB; Bernese Highlands; © 2015 Radek Chromik

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]

Revised+Historic NGC/IC, Version 22/9, © Dr. Wolfgang Steinicke [277]
DesignationNGC 7217
TypeGx (Sb)
Right Ascension (J2000.0)22h 07m 52.1s
Declination (J2000.0)+31° 21' 34"
Diameter4 × 3.4 arcmin
Photographic (blue) magnitude11.0 mag
Visual magnitude10.1 mag
Surface brightness12.7 mag·arcmin-2
Position Angle83°
Redshift0.003176
Distance derived from z13.42 Mpc
Metric Distance17.200 Mpc
Dreyer DescriptionB, pL, gbM, er
Identification, RemarksUGC 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.

Finder Chart Galaxy NGC 7217
Galaxy NGC 7217 in constellation Pegasus. Charts created using SkySafari 6 Pro and STScI Digitized Sky Survey. Limiting magnitudes: Constellation chart ~6.5 mag, DSS2 close-ups ~20 mag. [149, 160]

Visual Observation

Description pending ...

More Objects Nearby (±15°)

References