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Community photo entitled  by Dr Ski on 01/03/2020 at Valencia Observatory

On 01/03/2020 03:15 pm by Dr Ski| Valencia Observatory

The 1st Quarter Moon is 90° from the Sun, where maximum light polarization occurs. This is where a polarizing filter will have it's greatest effect.

Canon EOS M100
230mm, f5. 6
1/640s@ISO400
CPL filter