Abell 22 (PK 215 +11.1) Planetary Nebula in Canis Minor

Abell 22 or PK 215 +11.1 is a very faint Planetary Nebula situated in the constellation of Canis Minor.Its central parts are sized 2.1 x 1.4 arc-minutes,wheres its vey dim Ha-shell measures about 6x4 arc-minutes.

The central nebula resembles the famous Little Dumbbell-Nebula in the constellation of Perseus (https://www.messier-objects.com/messier-76-little-dumbbell-nebula/).

Little is known about Abell 22,even its real distance is speculative,but it seems to be greater than 10.000 light years.The strongest emissions take place in H-alpha,whereas the OIII-ones are very weak.

Gearge Abell noted it first in his catalogue in 1966.



position (epoch 2000):

RA.:  07h 36m 07,9s

Decl.: +02° 42' 27"


image data:

LR(+Ha)GB image from:


R=10x1200s+Ha 10x2400s



a total of 20.66 hours

80cm f/7 AstroOptik Keller corrected cassegrain FLI Proline 16803 Astrodon LRGB GenII filters

Prompt 7 CTIO/UNC Chile,remote controlled

image processing: Bernd Flach-Wilken


here you see Abell 22 in a 84% FOV of our equipment.

To get full resolution click HERE

here you can see a more detailed version of this Planetary Nebula:

Last modified on Sunday, 06 August 2023 14:08

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