Celestial hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  PK063+13.1  ·  Ring nebula  ·  Ring nebula in Lyra
Getting plate-solving status, please wait...
M57 Ring Nebula-testing coma corrector, Adel Kildeev
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M57 Ring Nebula-testing coma corrector

Getting plate-solving status, please wait...
M57 Ring Nebula-testing coma corrector, Adel Kildeev
Powered byPixInsight

M57 Ring Nebula-testing coma corrector

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Description

ISO 800, 120 sec.x13, 5 darks. Testing coma corrector, I finally got right ring for DSLR, coma looks not so horrible but astigmatism is still evident. Hard to say for sure - the skies are horrible, in the middle of shooting heavy clouds jumped in, let see the next shooting,

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M57 Ring Nebula-testing coma corrector, Adel Kildeev