I caught 3 frames @ 1800mm f/12 1/1000th sec 3200iso in RAW format during an ISS flyover last night. It was over Redding, California, USA at about 6:46p local time on 11/19/21. I converted just the green channel of the individual frames to a short video.
I'm not sure if I'm seeing any actual details or if it's all artifacts...
Using some noise reduction and histogram stretching techniques in Adobe Lightroom I was able to obtain these color versions (0.463 arcsec/pixel):