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Contains:  M 52, NGC 7654, Bubble nebula, NGC 7635, NGC 7538, The star 4Cas, The star 2Cas
Getting plate-solving status, please wait...
Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble), 





    
        

            G400
Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble)

Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble)

Technical card

Resolution: 2748x1785

Dates:Nov. 16, 2019

Frames:SCT Astro Duo Narrowband Filter: 44x600" ISO1600

Integration: 7.3 hours

Darks: ~20

Flats: ~45

Bias: ~80

Avg. Moon age: 18.62 days

Avg. Moon phase: 84.07%

Temperature: 2.00

Astrometry.net job: 3064729

RA center: 350.064 degrees

DEC center: 61.161 degrees

Pixel scale: 6.805 arcsec/pixel

Orientation: 101.148 degrees

Field radius: 3.097 degrees

Data source: Backyard

Description

Being really keen to go out and catch some photons after almost four weeks bad weather.
There was this predicted gap in the clouds with no mist for a time window of about 6 hours. Moon still illuminated at around 81% but you are about to take that :-)

Comments

Author

G400
G400
License: None (All rights reserved)
1710
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Revisions

  • Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble), 





    
        

            G400
    Original
  • Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble), 





    
        

            G400
    B
  • Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble), 





    
        

            G400
    C
  • Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble), 





    
        

            G400
    D
  • Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble), 





    
        

            G400
    E
  • Final
    Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble), 





    
        

            G400
    F

B

Another DBE plus denoising of the same.

F

Decreased saturation.

Sky plot

Sky plot

Histogram

Sharpless in Cassiopeia -- Sh2-157 (The Lobster Claw), Sh2-161 & Sh2-162 (The Bubble), 





    
        

            G400

In these public groups

Sharpless2 Objects