Planetary Nebula Pk
122-4.1 in Cassiopeia
CCD image taken with an ST-9E CCD camera thru Kopernik's
20-inch F/8.1 telescope. The image scale is about 7.5 x 7.5 arc minutes,
with south at the top. The exposure was 12 minutes, under poor conditions.
Note that the 20th magnitude central star is just visable.
Description of Pk 122-4.1 in
The Deep Sky Field Guide to Uranometria 2000:
- Smooth disk with traces of ring
- central star magnitude = 19.8
- Alternate name Abell 2
- Discovered by Abell in 1955
learn more about them, click here.
- Pk 122-4.2
- Other ID: Abell 2
- Magnitude: 16.3
- Constellation: Cassiopeia
- RA: 00h 45m 36.1s
- Dec: +57° 57' 24"
- Size (sec):
- Classification: Planetary
nebula, Smooth disk.
George Normandin, KAS
October 25th, 2001