NGC 147 (C 17)
NGC 147 (C 17) is a galaxy in the constellation Cassiopeia, magnitude 9.7, 9.4′ × 5.4′ across.
A dwarf spheroidal satellite of the Andromeda Galaxy; faint and diffuse, it needs dark skies and lies about 1° from its brighter sibling NGC 185.
When and where to see it
It is best placed in the evening sky around November, when it crosses the meridian at about 10 pm local time (around midnight in October). It can be seen from everywhere north of 41°S and never sets north of 41°N.
At its highest it stands 89° up from 50°N, 76° up from 35°N, 41° up from the equator, 6° up from 35°S.
Facts
- Type
- Galaxy
- Constellation
- Cassiopeia
- Designations
- C 17
- Magnitude
- 9.7
- Apparent size
- 9.4′ × 5.4′
- Position
- RA 0h 33.2m, Dec +48° 31′ (J2000)
Open AstroPilot to see when NGC 147 (C 17) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.