The September 2021 challenge was Andromeda Galaxy:

The Community Pick went to poptart (not on AstroBin yet): 
poptart.png

Nico's pick went to @Coriorda :



Continued thanks to @Ivaylo Stoynov for offering a 1 year key of APT (AstrophotographyTool) to all winners of the Nebula Photos Monthly Challenges.

October's challenge is Cassiopeia. Sorry for the late notice this month, but in general join us on Patreon (patreon.com/nebulaphotos) if you'd like to participate. The challenges are currently organized on discord (discord.gg/nebulaphotos), but you need to first sign up on patreon to get access.
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