Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Sh2-129
SH2-129 and OU4: the Flying Bat and Squid Nebulae, Jonathan Piques
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SH2-129 and OU4: the Flying Bat and Squid Nebulae

SH2-129 and OU4: the Flying Bat and Squid Nebulae, Jonathan Piques
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SH2-129 and OU4: the Flying Bat and Squid Nebulae

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This was a beast. OU4 is really, really, REALLY faint: this image made me learn first hand the law of diminishing returns. I never intended to gather so much data on this, but I'd gather a night's worth, check, see barely anything, then gather another night's worth, check again and see the barest improvement, ok FINE then I'll get another night's worth, etc, etc, ad infinitum. Finally I just had to say enough is enough! Glad to be moving on to the next target that won't bring PixInsight to its knees when I try to integrate it.

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SH2-129 and OU4: the Flying Bat and Squid Nebulae, Jonathan Piques