NGC 7822 G3

Posted by on Dec 29, 2019

NGC 7822 G3

NGC 7822 is a young star forming complex in the constellation of Cepheus. The complex encompasses the emission region designated Sharpless 171, and the young cluster of stars named Berkeley 59. The complex is believed to be some 800-1000 pc distant, with the younger components aged no more than a few million years.

Raw images:
Ha: 45 x 10min  (Tot: 450min) Bin:1x1
OIII: 12 x 10min  (Tot: 120min) Bin:2x2
SII: 12 x 10min  (Tot: 120min) Bin:2x2
Seeing: 2.7"

Equipment used:
ASA N12 Astrograph F/3.6
3" Wynne Corrector 0.95x
Moravian G3 16200 @-25C
No guiding

Filter:
Astrodon Ha 3nm, OIII 5nm, SII 5nm

Location/Date:
Valla Observatory (FROSON, Sweden)Mars 5, 2018

Image processing:
Images calibrated and processed in Pixinsight and Photoshop 
Note: Weak signal in the OIII images

Image palette:
RGB palette. OIII - Red, SII - Blue, Ha - Green
Luminance - Ha

 Image information:
Scale: 1.14 arcsec/pix
FOW: 52x42 arcmin

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