Reflection nebula
vdB 139
vdB 139
Catalogue data
- Right ascension
- 21h 01m 36.9s
- Declination
- +68° 09' 48"
- Size
- 17.0′ × 17.0′
- Position angle
- not available
- Magnitude
- 6.8
- Surface brightness
- 21.58 mag/arcsec²(derived)
- Difficulty
- 3/5
- Suggested techniques
- RGB, LRGB, OSC
- Data source
- VizieR VII/21 — van den Bergh (1966)
Reflection nebula lit by a star of spectral type: B5e
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