Pk 122-4.1, planetary nebula

Planetary Nebula Pk 122-4.1 in Cassiopeia

Pk 122-4.1, a planetary nebula
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 structure.
central star magnitude = 19.8
Alternate name Abell 2
Discovered by Abell in 1955

Planetary Nebulae: To 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" Epoch 2000
Size (sec): 36
Classification: Planetary nebula, Smooth disk.

Click below to

George Normandin, KAS

October 25th, 2001

Planetary Nebula Pk 122-4.1 in Cassiopeia

Description of Pk 122-4.1 in The Deep Sky Field Guide to Uranometria 2000:

Description of Pk 122-4.1 in
The Deep Sky Field Guide to Uranometria 2000: