This sequence of 64 images was captured by Monitoring Camera 2 onboard the Mercury Transfer Module from 40 minutes before until 15 minutes after closest approach of 10 720 km from Venus. The images were taken every 52 seconds. The camera provides black-and-white snapshots in 1024 x 1024 pixel resolution.
Source:
https://phys.org/news/2020-10-venus-captured-snapshots.html