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





    
        

            neptun
M57

M57

Technical card

Imaging telescope or lens:Skywatcher Evostar 120ED

Imaging camera:NIKON d90

Guiding telescope or lens:Skywatcher Evostar 120ED

Guiding camera:Meade DSI II Pro

Software:photoshopDeepSkyStacker

Accessories:Teleskop-Service TS9-OAG off axis guiderTeleskop-Service Flattener 2"

Resolution: 805x537

Dates:Aug. 1, 2013

Frames: 9x180"

Integration: 0.5 hours

Avg. Moon age: 24.66 days

Avg. Moon phase: 24.56%

Astrometry.net job: 88515

RA center: 283.399 degrees

DEC center: 33.033 degrees

Pixel scale: 1.241 arcsec/pixel

Orientation: -69.121 degrees

Field radius: 0.167 degrees

Locations: Rozhen National Observatory, Smolyan, Bulgaria

Description

Stack of 9x3 min ISO 1250.

Comments

Author

neptun
neptun
License: Attribution-NonCommercial Creative Commons
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M57, 





    
        

            neptun