Galaxy NGC 7217

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 7 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 Ascension22h 07m 52.1s
Declination+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.

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

Pending ...

More Objects Nearby (±15°)

Abell 74
Abell 78
Egg Nebula
CRL 2688
Stephans Quintet
Hickson 92
Humason 1-2
IC 5117
NGC 7253A/B
NGC 7331
NGC 7332/9

References

145SIMBAD astronomical database; simbad.u-strasbg.fr/simbad
149SkySafari 6 Pro, Simulation Curriculum; skysafariastronomy.com
160The STScI Digitized Sky Survey; archive.stsci.edu/cgi-bin/dss_form
277«Historische Deep-Sky Kataloge» von Dr. Wolfgang Steinicke; klima-luft.de/steinicke (2021-02-17)