Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  34 Cyg)  ·  34 P Cyg  ·  B145  ·  Crescent Nebula  ·  Cygnus  ·  HD190131  ·  HD190275  ·  HD190381  ·  HD190402  ·  HD190428  ·  HD190466  ·  HD190549  ·  HD190570  ·  HD190628  ·  HD190629  ·  HD190700  ·  HD190771  ·  HD190863  ·  HD191024  ·  HD191025  ·  HD191045  ·  HD191158  ·  HD191176  ·  HD191225  ·  HD191257  ·  HD191290  ·  HD191378  ·  HD191396  ·  HD191397  ·  HD191424  ·  And 525 more.
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NGC 6888 (The Crescent Nebula), Cédric Champeau
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NGC 6888 (The Crescent Nebula)

Getting plate-solving status, please wait...
NGC 6888 (The Crescent Nebula), Cédric Champeau
Powered byPixInsight

NGC 6888 (The Crescent Nebula)

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Description

Imaging with the hyperstar and a large sensor is extremely challenging. As a proof, I beg you not to look at the right of the image, where stars are very elongated. This is because of wrong collimation. It looked ok at first glance, I even checked with a tri-bahtinov mask, but here we are...

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NGC 6888 (The Crescent Nebula), Cédric Champeau