Dark nebula
LDN 1691
LDN 1691
Catalogue data
- Right ascension
- 17h 15m 15.5s
- Declination
- -32° 33' 21"
- Size
- 1.12° × 1.12°
- Position angle
- not available
- Magnitude
- not available
- Surface brightness
- not available
- Difficulty
- not available
- Suggested techniques
- RGB, LRGB, OSC
- Data source
- VizieR VII/7A — Lynds (1962)
Lynds dark nebula, opacity (diameter estimated from the catalogued area): 3/6
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