Open cluster · constellation Sgr
M 18
NGC 6613M 18MWSC 2892
Catalogue data
- Right ascension
- 18h 19m 58.5s
- Declination
- -17° 06' 07"
- Size
- 6.0′
- Position angle
- not available
- Magnitude
- 6.9 (V)
- Surface brightness
- 19.42 mag/arcsec²(derived)
- Difficulty
- 2/5
- Suggested techniques
- RGB, OSC
- Data source
- OpenNGC
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