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| Nebula | M4-17 | RA (J2000) | 20 09 01.9 |
| Constellation | Cygnus | Dec | +43 43 43.5 |
| Size (arcsec) | ~ 30 x 15 | Other names | PK 079+05.1 |
| Mag (V) | 18.6 | ||
| Surface Brightness (mag/arcsec2) | n/a |
| HAG 24" RC, SBIG STF-8300M, Lhires III, 300 gr/mm, 1800 sec, 2020-10-26@22:38 |
DSS2 image, 10 arcmin square
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