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Contains:  Ring nebula in Lyra, M 57, NGC 6720, IC 1296
Getting plate-solving status, please wait...
M57 Ring Nebula (400mm), 





    
        

            star-watcher.ch
M57 Ring Nebula (400mm)

M57 Ring Nebula (400mm)

Technical card

Resolution: 1350x824

Dates:April 29, 2017

Frames:Astronomik CLS-CCD Clip Filter: 54x120" ISO1600

Integration: 1.8 hours

Darks: ~27

Bias: ~35

Avg. Moon age: 3.46 days

Avg. Moon phase: 12.92%

Bortle Dark-Sky Scale: 6.00

Temperature: 7.00

Astrometry.net job: 1561696

RA center: 18h 53' 35"

DEC center: +33° 1' 33"

Pixel scale: 1.078 arcsec/pixel

Orientation: 2.160 degrees

Field radius: 0.237

Locations: Derendingen 454m, Solothurn, SO, Switzerland

Description

f/5.6

I waited so long for M57 (since I own the 400mm). I'm happy with the result regarding the small size of M57.

Comments

Author

star-watcher.ch
star-watcher.ch
License: None (All rights reserved)
5110
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Revisions

  • M57 Ring Nebula (400mm), 





    
        

            star-watcher.ch
    Original
  • M57 Ring Nebula (400mm), 





    
        

            star-watcher.ch
    B
  • M57 Ring Nebula (400mm), 





    
        

            star-watcher.ch
    C
  • M57 Ring Nebula (400mm), 





    
        

            star-watcher.ch
    D
  • Final
    M57 Ring Nebula (400mm), 





    
        

            star-watcher.ch
    E

B

cropped crop

C

Drizzle 2x

Sky plot

Sky plot

Histogram

M57 Ring Nebula (400mm), 





    
        

            star-watcher.ch