I got a good (electronic) view here in Chelmsford too. I’ve uploaded a full frame image of the Moon and Mars and a frame from the video:
https://nickdjames.com/20221208_Mars_occultation/moon_20221208_0456_ndj.jpg
https://britastro.org/observations/observation.php?id=20221208_051712_492f9d9303a0d800
From my video I get first contact at 04:59:56 and 2nd at 05:00:29. The seeing was pretty poor though. Temperature at the moment is -2.8C.