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Contains:  IC 1296, IC1296, M 57, M57, NGC 6720, PK063+13.1, Ring nebula, Ring nebula in Lyra
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Messier 57 - Ring Nebula @ test images old Mak, 


            Wolfgang Zimmermann
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Messier 57 - Ring Nebula @ test images old Mak

Technical card

Dates:May 13, 2019

Frames:HUTECH IDAS LPS P2: 21x300" ISO1600

Integration: 1.8 hours

Darks: ~23

Bias: ~38

Avg. Moon age: 8.97 days

Avg. Moon phase: 66.52% job: 2696487

RA center: 18h 53' 25"

DEC center: +33° 4' 2"

Pixel scale: 0.503 arcsec/pixel

Orientation: -38.020 degrees

Field radius: 0.522 degrees

Resolution: 6166x4207

Locations: Terassensternwarte, Selm-Bork, NRW, Germany

Data source: Backyard


After adjusting my old Maksutov 127/1500 mm (my first telescope). I wanted to do some test shots. I chose the Ring Nebula (M57) in the constellation Lyra. Fits well with the long focal length. See the imaging performance of Mak in DeepSky only conditionally suitable. I have selected 19 out of 39 images per score.



Wolfgang Zimmermann
License: None (All rights reserved)

Sky plot

Sky plot


Messier 57 - Ring Nebula @ test images old Mak, 


            Wolfgang Zimmermann