Abell 1139
Posted: Mon Mar 25, 2024 3:47 pm
Abell 1139 is a cluster of 36 or more galaxies located in Leo. See the annotated image.
Luminance – 34x600s – 340 minutes – binned 1x1
RGB – 26:22:23x300s – 130:110:115 minutes each – binned 2x2
695 minutes total exposure – 11 hours 35 minutes
Imaged January 20th, 21st and 25th and February 15th, 2023 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT atf/ 8 2432mm.
LRGB - https://www.flickr.com/photos/dcrowson/ ... 9/sizes/l/
LRGB annotated - https://www.flickr.com/photos/dcrowson/ ... 9/sizes/l/
Dan
Luminance – 34x600s – 340 minutes – binned 1x1
695 minutes total exposure – 11 hours 35 minutes
Imaged January 20th, 21st and 25th and February 15th, 2023 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at
LRGB - https://www.flickr.com/photos/dcrowson/ ... 9/sizes/l/
LRGB annotated - https://www.flickr.com/photos/dcrowson/ ... 9/sizes/l/
Dan