Contains: NGC 4236
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NGC 4236 in LRGB

Technical card

Resolution: 2064x1824

Astrodon E Series Gen 2 B: 15x300" -25C bin 1x1
Astrodon E Series Gen 2 G: 15x300" -25C bin 1x1
Astrodon E Series Gen 2 L: 16x600" -25C bin 1x1
Astrodon E Series Gen 2 R: 15x300" -25C bin 1x1

Integration: 6.4 hours job: 608905

RA center: 184.182 degrees

DEC center: 69.452 degrees

Pixel scale: 0.843 arcsec/pixel

Orientation: -2.308 degrees

Field radius: 0.323 degrees

Locations: Tebbutt Observatory, Edgewood, New Mexico, United States


NGC 4236 taken with anAP155 at prime focus. NGC 4236 is another member of the M81 group of galaxies. It is about 11.7 million ly away. The L frames were taken about a year ago and RGB data was collected this imaging season. Ha frames were collected but did not seem to contribute to enhancing the HII regions in this galaxy. It has a low surface brightness,making processing a bit difficult (at least for me)



Frank Zoltowski

Sky plot

Sky plot


NGC 4236 in LRGB, Frank Zoltowski