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jshuder | all galleries >> Astrophotography >> Planetary Nebulae > Abell 22 (A66 22)
Kohoutek 1-11
PN G215.6+11.1
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Abell 22 (A66 22)
Kohoutek 1-11
PN G215.6+11.1

Abell 22 (A66 22, Kohoutek 1-11, K1-11, PK 215+11.1, PN G215.6+11.1) Planetary Nebula in Canis Minor.
Taken over many nights in February and March 2012, January and February 2013, and January and March
2014. Imaged with CCD Labís Q285M camera and a Celestron EdgeHD 9.25 at f10, on a Losmandy G11/Gemini
mount. The H alpha and OIII subframes were 20 and 30 minutes binned 1x1 and 2x2, while the RGB
subframes were 4 minutes binned 2x2 resulting in the following total exposures (HA+OIII):(R+Ha):
(G+OIII): (B+OIII) (min) = ( 1540+840 ): (64+1540): (64+840):(64+840). This image is displayed at
0.57 arc-seconds per pixel. Captured with Nebulosity, calibrated, sigma combined in Iris with other
processing using PixInsight LE and Photoshop CS. North is up.


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Sakib 19-Dec-2018 10:51
I think this is the best image of this forgotten PN.