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Contains:  NGC 6946, NGC 6939
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NGC 6946 Fireworks Galaxy  and NGC 6939 Open Cluster - Orion ED80 - ASI1600MM-Cool, 





    
        

            Rowland Archer
NGC 6946 Fireworks Galaxy  and NGC 6939 Open Cluster - Orion ED80 - ASI1600MM-Cool

NGC 6946 Fireworks Galaxy and NGC 6939 Open Cluster - Orion ED80 - ASI1600MM-Cool

Technical card

Resolution: 2113x1515

Astrometry.net job: 1747852

RA center: 308.266 degrees

DEC center: 60.443 degrees

Pixel scale: 2.605 arcsec/pixel

Orientation: 327.578 degrees

Field radius: 0.941 degrees

Locations: Home Observatory, Wake Forest, NC, United States

Data source: Backyard

Description

First light with my Nitecrawler focuser installed on the Orion ED80. I couldn't get it to come to focus with the FF/FR installed so this is shot without a FF/FR. Just wanted to try it out and ended up picking this combination of NGC 6946 and 6939 somewhat impulsively.

Stacked and processed in PixInsight with some finishing touches in PhotoShop using Curves, Levels and Neal Bodoni's PS tools to increase star color, add a few spikes, enhance DSO's and reduce stars.

L 675 x 15 sec = 2.8 hrs
R 158 x 60 sec = 2.6 hrs
G 150 x 60 sec = 2.5 hrs
B 200 x 60 sec = 3.3 hrs

Total 11.27 hrs

Comments

Author

Vassar1976
Rowland Archer
License: None (All rights reserved)
660
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Revisions

  • NGC 6946 Fireworks Galaxy  and NGC 6939 Open Cluster - Orion ED80 - ASI1600MM-Cool, 





    
        

            Rowland Archer
    Original
  • Final
    NGC 6946 Fireworks Galaxy  and NGC 6939 Open Cluster - Orion ED80 - ASI1600MM-Cool, 





    
        

            Rowland Archer
    B

B

Used Neal Bodoni's Photoshop tools to reduce stars and enhance DSO's

Sky plot

Sky plot

Histogram

NGC 6946 Fireworks Galaxy  and NGC 6939 Open Cluster - Orion ED80 - ASI1600MM-Cool, 





    
        

            Rowland Archer

In these public groups

ZWO ASI1600MM/QHY163M