Galaxy · constellation Sgr
IC 4991
IC 4991ESO 340-011MCG -07-41-024PGC 64450
Catalogue data
- Right ascension
- 20h 18m 23.3s
- Declination
- -41° 03' 01"
- Size
- 2.9′ × 2.1′
- Position angle
- 129°
- Magnitude
- 11.5 (V)
- Surface brightness
- 23.73 mag/arcsec²
- Hubble type
- S0
- Difficulty
- 4/5
- Suggested techniques
- LRGB, RGB, OSC
- Data source
- OpenNGC
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