Dark nebula
B 221
B 221
Catalogue data
- Right ascension
- 4h 44m 00.8s
- Declination
- +31° 44' 17"
- Size
- 45.0′ × 45.0′
- Position angle
- not available
- Magnitude
- not available
- Surface brightness
- not available
- Difficulty
- not available
- Suggested techniques
- RGB, LRGB, OSC
- Data source
- VizieR VII/220A — Barnard (1927)
Dark nebula from the Barnard catalogue.
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