Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
Cave in RGB, Wei Li
Cave in RGB
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Cave in RGB

Cave in RGB, Wei Li
Cave in RGB
Powered byPixInsight

Cave in RGB

Equipment

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Acquisition details

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Description

The cave nebula is a beautiful diffuse nebula in constellation Cephus, 2400 light years away. I tried to photograph it in narrow band from my backyard when I was just into astrophotography in 2018. At the time, I was also struggling with Celestron HD8. That telescope was not meant for beginner. The result of that session didn't turn well, not enough exposure time, inaccurate focus and wrong color filters. This subject is truly a RGB target. At this time of year, it can be photographed whole night long from Texas.  

subs:
Ha: 18x1800s
L: 41x600s
RGB(2x2): 15x300s each

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