There was a band of high clouds moving across the lower half of the crescent during this long exposure which resulted in an astonishing 3 in 1 capture. The earthshine, the long exposure illuminated part and the normally exposed part of the crescent moon all captured in a single tracked exposure.

Canon EOS 2000D
Samyang 135mm f/2 lens
Ioptron sky tracker

Single tracked image of 15 seconds, ISO 100, f/5.6