Open cluster · constellation Cas
M 103
NGC 581M 103MWSC 124
Catalogue data
- Right ascension
- 1h 33m 21.8s
- Declination
- +60° 39' 29"
- Size
- 4.5′
- Position angle
- not available
- Magnitude
- 7.4 (V)
- Surface brightness
- 19.29 mag/arcsec²(derived)
- Difficulty
- 2/5
- Suggested techniques
- RGB, OSC
- Data source
- OpenNGC
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