Getting multi-band images of crescent Moon. Bands of thin clouds rolling past - vissible mainly as increased halo around Moon and in the eq. diff. images. T between 6 and 7 degrees C. Not very many failed frames.
Dawn started 5:45. by 5:55 sky-level was 445 - normally 397.
6:04 930 - bias pattern starts to be seen
6:11 Earthshine side weaker than patterns in bias. Stopped.