Dark nebula
B 23
B 23
Catalogue data
- Right ascension
- 4h 40m 33.4s
- Declination
- +29° 52' 52"
- Size
- 5.0′ × 5.0′
- 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)
Nebulosa oscura del catalogo Barnard.
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