Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
Caldwell 9 (Cave nebula), neptun
Caldwell 9 (Cave nebula)
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Caldwell 9 (Cave nebula)

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Description

This is stack of 31x7 min L. Some old material from 2013. I could not get color channels at that time due to problems with filter wheel and later completely forgot that these frames exist. Now here is the result.

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Caldwell 9 (Cave nebula), neptun