Topics

NGC 6535


Dan Crowson
 

NGC 6535 (Melotte 189 and others) is a Shapley-Sawyer class XI (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 22,200 light-years away in Serpens Cauda.

 

2MASX J18032745-0017427 (PGC 61331 and others) is the galaxy to the right (west) of NGC 6535. It appears to be heavily obscured by dust.

 

Luminance – 24x600s – 240 minutes – binned 1x1

RGB – 8x300s – 40 minutes each – binned 2x2

 

360 minutes total exposure – 6 hours

 

Imaged over nine nights in April and May, 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/49934910046/sizes/l/

 

Dan

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

 


Bernard Miller
 

Dan,

 

Nicely done. I am working on some globulars myself. I will use your postings as a guide to some of the lesser known ones.

 

Bernard

 

 

From: DarkSkyNewMexico@groups.io On Behalf Of Dan Crowson
Sent: Monday, May 25, 2020 9:47 AM
To: 'Dan Crowson' <dcrowson@...>
Subject: [DarkSkyNewMexico] NGC 6535

 

NGC 6535 (Melotte 189 and others) is a Shapley-Sawyer class XI (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 22,200 light-years away in Serpens Cauda.

 

2MASX J18032745-0017427 (PGC 61331 and others) is the galaxy to the right (west) of NGC 6535. It appears to be heavily obscured by dust.

 

Luminance – 24x600s – 240 minutes – binned 1x1

RGB – 8x300s – 40 minutes each – binned 2x2

 

360 minutes total exposure – 6 hours

 

Imaged over nine nights in April and May, 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/49934910046/sizes/l/

 

Dan

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

 




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Brian Ottum
 

When I look at this, I immediately thing “boy that is far off in our galaxy”

 

From: DarkSkyNewMexico@groups.io <DarkSkyNewMexico@groups.io> On Behalf Of Dan Crowson
Sent: Monday, May 25, 2020 12:47 PM
To: 'Dan Crowson' <dcrowson@...>
Subject: [DarkSkyNewMexico] NGC 6535

 

NGC 6535 (Melotte 189 and others) is a Shapley-Sawyer class XI (http://en.wikipedia.org/wiki/Shapley%E2%80%93Sawyer_Concentration_Class) globular cluster located approximately 22,200 light-years away in Serpens Cauda.

 

2MASX J18032745-0017427 (PGC 61331 and others) is the galaxy to the right (west) of NGC 6535. It appears to be heavily obscured by dust.

 

Luminance – 24x600s – 240 minutes – binned 1x1

RGB – 8x300s – 40 minutes each – binned 2x2

 

360 minutes total exposure – 6 hours

 

Imaged over nine nights in April and May, 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/49934910046/sizes/l/

 

Dan

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