Planetary nebula · constellation Sge
IC 4997
IC 4997PN G058.3-10.9
Catalogue data
- Right ascension
- 20h 20m 08.8s
- Declination
- +16° 43' 54"
- Size
- 1.8″
- Position angle
- not available
- Magnitude
- 10.5 (V)
- Surface brightness
- 11.51 mag/arcsec²(derived)
- Difficulty
- 2/5
- Suggested techniques
- HOO, SHO, NARROWBAND
- Data source
- OpenNGC
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