Sharpless 135


Dan Crowson
 

Sharpless 135 (LBN 492 and 493) is a faint HII region located approximately 6,200 light-years away in Cepheus. The small cluster of bright stars below the bright region is Juchert 21.

 

Ha – 25x1800s – 750 minutes – binned 1x1

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

 

870 minutes total exposure – 14 hours 30 minutes

 

Imaged over seven nights in November and December, 2020 at Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

 

HaRGB - https://www.flickr.com/photos/dcrowson/50783239723/sizes/l/

 

My much wider, refractor image can be found here - https://www.flickr.com/photos/dcrowson/30353067462/

 

Dan

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

 


Brian Ottum
 

Good composition.  Looks like an evened-out horsehead.

 

From: DarkSkyNewMexico@groups.io <DarkSkyNewMexico@groups.io> On Behalf Of Dan Crowson
Sent: Thursday, December 31, 2020 12:46 PM
To: 'Dan Crowson' <dcrowson@...>
Subject: [DarkSkyNewMexico] Sharpless 135

 

Sharpless 135 (LBN 492 and 493) is a faint HII region located approximately 6,200 light-years away in Cepheus. The small cluster of bright stars below the bright region is Juchert 21.

 

Ha – 25x1800s – 750 minutes – binned 1x1

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

 

870 minutes total exposure – 14 hours 30 minutes

 

Imaged over seven nights in November and December, 2020 at Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

 

HaRGB - https://www.flickr.com/photos/dcrowson/50783239723/sizes/l/

 

My much wider, refractor image can be found here - https://www.flickr.com/photos/dcrowson/30353067462/

 

Dan

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

 


Bernard Miller
 

Beautiful Dan. The upper right portion looks a little like the Wizard Nebula.

 

Bernard

 

 

From: DarkSkyNewMexico@groups.io On Behalf Of Dan Crowson
Sent: Thursday, December 31, 2020 10:46 AM
To: 'Dan Crowson' <dcrowson@...>
Subject: [DarkSkyNewMexico] Sharpless 135

 

Sharpless 135 (LBN 492 and 493) is a faint HII region located approximately 6,200 light-years away in Cepheus. The small cluster of bright stars below the bright region is Juchert 21.

 

Ha – 25x1800s – 750 minutes – binned 1x1

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

 

870 minutes total exposure – 14 hours 30 minutes

 

Imaged over seven nights in November and December, 2020 at Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

 

HaRGB - https://www.flickr.com/photos/dcrowson/50783239723/sizes/l/

 

My much wider, refractor image can be found here - https://www.flickr.com/photos/dcrowson/30353067462/

 

Dan

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

 




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MJ Post
 

Nice capture, Dan.  Interesting shock-wave features.  That's a lot of time on target!
 
MJ

On 12/31/2020 10:46 AM Dan Crowson <dcrowson@...> wrote:
 
 

Sharpless 135 (LBN 492 and 493) is a faint HII region located approximately 6,200 light-years away in Cepheus. The small cluster of bright stars below the bright region is Juchert 21.

 

Ha – 25x1800s – 750 minutes – binned 1x1

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

 

870 minutes total exposure – 14 hours 30 minutes

 

Imaged over seven nights in November and December, 2020 at Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

 

HaRGB - https://www.flickr.com/photos/dcrowson/50783239723/sizes/l/

 

My much wider, refractor image can be found here - https://www.flickr.com/photos/dcrowson/30353067462/

 

Dan

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