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Spectra of Planetary Nebulae

NebulaM4-17RA (J2000)20 09 01.9
ConstellationCygnusDec+43 43 43.5
Size (arcsec)~ 30 x 15Other namesPK 079+05.1
Mag (V)18.6
Surface Brightness (mag/arcsec2)n/a


HAG 24" RC, SBIG STF-8300M, LHires III, 300gr/mm, 1800 sec, 2020-10-26@22:38

DSS2 image, 10 arcmin square

70 / 204 (pg 81)