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Contains:  Ring nebula in Lyra, M 57, NGC 6720, IC 1296
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M57 Ring Nebula, 





    
        

            Wanni
M57 Ring Nebula

M57 Ring Nebula

Technical card

Resolution: 3320x2450

Dates:Aug. 27, 2014

Frames: 40x15" -20C bin 1x1

Integration: 0.2 hours

Darks: ~50

Flats: ~20

Bias: ~50

Avg. Moon age: 1.71 days

Avg. Moon phase: 3.28%

Temperature: 10.00

Astrometry.net job: 378942

RA center: 18h 53' 35"

DEC center: +33° 1' 22"

Orientation: -129.369 degrees

Field radius: 0.301

Locations: Home Observatory, Syke, Niedersachsen, Germany

Description

Note: the central white star within M57 has 15 magn. and is a good reference for the sensibility of the cam at 40 frames of 15 sec exposure.

B) Final : complete re- processing including Flats.
The Galaxy IC 1296 can only be seen as faint feature at 2000mm and BIN 1x1 Color

C) Drizzle L & RGB , less agressive colors and tried to keep the background as natural as possible

Comments

Author

wanni60
Wanni
License: None (All rights reserved)
2391
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Revisions

  • M57 Ring Nebula, 





    
        

            Wanni
    Original
  • M57 Ring Nebula, 





    
        

            Wanni
    B
  • Final
    M57 Ring Nebula, 





    
        

            Wanni
    C

Sky plot

Sky plot

Histogram

M57 Ring Nebula, 





    
        

            Wanni