🟍   Use arrows for next/previous/index/latest/chart (or use keyboard left/right/up/down/home keys).



Spectra of Planetary Nebulae

NebulaIC5117RA (J2000)21 32 30.9
ConstellationCygnusDec+44 35 47.5
Size (arcsec)stellarOther namesPK 089-05.1
Mag (V)16.7VV 266
Surface Brightness (mag/arcsec2)n/a

HAG 24" RC, SBIG STF-8300M, LHires II, 300gr/mm, 5 x 120 + 600 sec, 2020-10-06@22:55
Longer exposure shows lines from H, He, O, N, S, Ar

DSS2 image, 10 arcmin square

21 / 187 (pg 83)