Abell 21-The Medusa Nebula. HOO 2nd.Jan.2023.
Abell 21, Sh2-274 or The Medusa Nebula is a planetary nebula located in the constellation of Gemini. It was originally thought to be a Supernova remnant but later identified as a planetary nebula. It lies around 1,500 light years distant.
Data captured on 2nd January 2023 was added to that of March 2022.
EQ6-R-PRO
150mm Esprit with dedicated corrector
QHY294PROM March data Gain 2900 January 2023 data Gain 3600 -20C
Astronomik 6nm Ha and OIII narrowband filters
10x900sec March 2022
30x90sec January 2023 Ha
11x900sec March 2022
40x90sec January 2023 OIII
Processed using Straton Star Removal, Pixinsight and Photoshop.
Darks and Flats.
Abell 21-The Medusa Nebula. HOO 2nd.Jan.2023.
Abell 21, Sh2-274 or The Medusa Nebula is a planetary nebula located in the constellation of Gemini. It was originally thought to be a Supernova remnant but later identified as a planetary nebula. It lies around 1,500 light years distant.
Data captured on 2nd January 2023 was added to that of March 2022.
EQ6-R-PRO
150mm Esprit with dedicated corrector
QHY294PROM March data Gain 2900 January 2023 data Gain 3600 -20C
Astronomik 6nm Ha and OIII narrowband filters
10x900sec March 2022
30x90sec January 2023 Ha
11x900sec March 2022
40x90sec January 2023 OIII
Processed using Straton Star Removal, Pixinsight and Photoshop.
Darks and Flats.