Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888
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C27 Crescent Nebula-HA-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-HAPPY CANADA' DAY, Adel Kildeev
C27 Crescent Nebula-HA-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-HAPPY CANADA' DAY
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C27 Crescent Nebula-HA-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-HAPPY CANADA' DAY

Getting plate-solving status, please wait...
C27 Crescent Nebula-HA-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-HAPPY CANADA' DAY, Adel Kildeev
C27 Crescent Nebula-HA-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-HAPPY CANADA' DAY
Powered byPixInsight

C27 Crescent Nebula-HA-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-HAPPY CANADA' DAY

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Description

We have enormous heat wave in Canada, day temperature was +36C, night temperature +27-28 C. Skies are just horrible, clouds, haze etc. I decided to test the cooling system of the camera. This is the first time when I was not able to reach requested temperature (-20 C), I think the maximum cooling is about 40-45 C below ambivalent temperature. So I increased the temperature to - 12 C, it worked well. Interesting that when I turned cooling of and tried to shoot with +28 C on matrix - I cannot see the DSO, SO MUCH noise, Jesus....

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