⇨   ⇦   ⇧   ⇩ 🟍   Use arrows for next/previous/index/latest/chart (or use keyboard left/right/up/down/home keys). Use PgUp/PgDn to zoom image in/out.



Spectra of Planetary Nebulae

NebulaAbell4RA (J2000)02 45 23.9
ConstellationPerseusDec+42 33 03.0
Size (arcsec)20Other namesPK 144-15.1
Mag (V)15.6
Surface Brightness (mag/arcsec2)n/a


HAG 24" RC, ZWO ASI2600MM Pro, LHires III, 300gr/mm, 3 x 600 sec, 2023-12-19@21:28
Very strong oxygen

DSS2 image, 10 arcmin square

4 / 204 (pg 183)