Cluster with nebulosity · constellation Ori
NGC 1981
Upper Sword
NGC 1981MWSC 579
Catalogue data
- Right ascension
- 5h 35m 09.6s
- Declination
- -4° 25' 30"
- Size
- 9.0′
- Position angle
- not available
- Magnitude
- 4.2 (V)
- Surface brightness
- 17.60 mag/arcsec²(derived)
- Difficulty
- 1/5
- Suggested techniques
- HOO, RGB, OSC
- Data source
- OpenNGC
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