Galaxy · constellation Com
IC 3991
IC 3991MCG +05-31-072PGC 44632
Catalogue data
- Right ascension
- 12h 59m 39.8s
- Declination
- +28° 55' 36"
- Size
- 54.6″ × 24.6″
- Position angle
- 66°
- Magnitude
- 14.4 (V)
- Surface brightness
- 23.69 mag/arcsec²
- Hubble type
- E-S0
- Difficulty
- 5/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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