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Spectra of Planetary Nebulae

NebulaM4-12RA (J2000)19 13 05.2
ConstellationAquilaDec+15 46 39.8
Size (arcsec)20Other namesPK 049+02.1
Mag (V)15Hen 2-428
Surface Brightness (mag/arcsec2)n/a


HAG 24" RC, SBIG STF-8300M, LHires III, 300gr/mm, 1800 sec, 2021-05-31@23:00
Small faint smudge. Top: Raw spectrum with light pollution. Bottom: Light pollution subtracted

DSS2 image, 10 arcmin square

70 / 206 (pg 94)