Planetary nebula · constellation Cep
NGC 7139
NGC 7139PN G104.1+07.9
Catalogue data
- Right ascension
- 21h 46m 08.6s
- Declination
- +63° 47' 31"
- Size
- 1.3′
- Position angle
- not available
- Magnitude
- 13.3 (V)
- Surface brightness
- 22.46 mag/arcsec²(derived)
- Difficulty
- 3/5
- Suggested techniques
- HOO, SHO, NARROWBAND
- Data source
- OpenNGC
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