Reflection nebula
vdB 20
vdB 20
Catalogue data
- Right ascension
- 3h 44m 52.5s
- Declination
- +24° 06' 48"
- Size
- 22.0′ × 22.0′
- Position angle
- not available
- Magnitude
- 3.7
- Surface brightness
- 19.05 mag/arcsec²(derived)
- Difficulty
- 2/5
- Suggested techniques
- RGB, LRGB, OSC
- Data source
- VizieR VII/21 — van den Bergh (1966)
Nebulosa a riflessione illuminata da una stella di tipo B6III.
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