Open cluster · constellation Cep
NGC 7142
NGC 7142MWSC 3557
Catalogue data
- Right ascension
- 21h 45m 09.5s
- Declination
- +65° 46' 28"
- Size
- 9.6′
- Position angle
- not available
- Magnitude
- 9.3 (V)
- Surface brightness
- 22.84 mag/arcsec²(derived)
- Difficulty
- 3/5
- Suggested techniques
- RGB, OSC
- Data source
- OpenNGC
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