Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2237  ·  NGC 2238  ·  NGC 2239  ·  NGC 2246  ·  Rosette A  ·  Rosette B  ·  Rosette Nebula  ·  The star 12Mon
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NGC 2244 - Rosette Nebula, Henny Veerman
NGC 2244 - Rosette Nebula
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NGC 2244 - Rosette Nebula

Getting plate-solving status, please wait...
NGC 2244 - Rosette Nebula, Henny Veerman
NGC 2244 - Rosette Nebula
Powered byPixInsight

NGC 2244 - Rosette Nebula

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Description

Finally got around to capturing the Rosette Nebula. I had some troubles with this one to be honest. During the first few nights, the Zenithstar produced some strange star shapes (spikes) which in the end magically disappeared. For the moment, my theory is that it was a collimation issue induced by low temperatures. To be safe, I added an additional dew heater so I can warm up the lens cell a little bit more if needed (running the risk of inducing some turbulence). Anyway, I decided to keep the frames with "spiky stars" as well for optimal SNR and I am pleased with the result. This was the first time I managed to really process the stars seperately, it seems StarNet++ v2 is doing a MUCH better job on my images!

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NGC 2244 - Rosette Nebula, Henny Veerman