Same night, expose to show detail on the illuminated section.
"The Sky" says this is 2.4% illuminated, somewhere near 30 hours old.
All astronomy images: Canon EOS 20Da (unmodified), Takahashi TOA 130 (a 5" APO refractor) with the TAK flattener, guided with SBIG STV, Astro-Physics AP 900GTO mount. My current image processing workflow is here.
Astronomy Pictures: Dick Locke's Astrophoto Gateway page....
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