Berkeley 1


Dan Crowson
 

Berkeley 1 is a trumpler (https://en.wikipedia.org/wiki/Trumpler_classification) class IV 2 p open cluster located approximately 7,900 light-years away in Cassiopeia. This is the first of one hundred four open clusters identified by Gosta Lynga and Jiri Alter in 1958.

 

Luminance – 24x300s – binned 1x1 – 120 minutes

RGB – 8x180s – 24 minutes each – binned 2x2

 

182 minutes total exposure – 3 hours 2 minutes

 

Imaged November 17th, 19th and 20th, 2020 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

 

LRGB - https://www.flickr.com/photos/dcrowson/50634225503/sizes/l/

 

See my album of Berkeley clusters here - https://www.flickr.com/photos/dcrowson/albums/72157711466876833.

 

Dan

----          
Dan Crowson                          dcrowson@...
Dardenne Prairie MO               http://www.crowson.com

 


Bernard Miller
 

Beautiful color Dan.

 

 

From: DarkSkyNewMexico@groups.io On Behalf Of Dan Crowson
Sent: Sunday, November 22, 2020 2:30 PM
To: 'Dan Crowson' <dcrowson@...>
Subject: [DarkSkyNewMexico] Berkeley 1

 

Berkeley 1 is a trumpler (https://en.wikipedia.org/wiki/Trumpler_classification) class IV 2 p open cluster located approximately 7,900 light-years away in Cassiopeia. This is the first of one hundred four open clusters identified by Gosta Lynga and Jiri Alter in 1958.

 

Luminance – 24x300s – binned 1x1 – 120 minutes

RGB – 8x180s – 24 minutes each – binned 2x2

 

182 minutes total exposure – 3 hours 2 minutes

 

Imaged November 17th, 19th and 20th, 2020 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

 

LRGB - https://www.flickr.com/photos/dcrowson/50634225503/sizes/l/

 

See my album of Berkeley clusters here - https://www.flickr.com/photos/dcrowson/albums/72157711466876833.

 

Dan

----          
Dan Crowson                          dcrowson@...
Dardenne Prairie MO               http://www.crowson.com

 




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