This is such a shock. I met Rob quite a few times in the 90’s. He was a great observer and did a lot for the Lunar Section at that time. Rob observed quite a few comets too and we have some examples of his notebooks in the Comet Section archives:
https://britastro.org/cometobs/1969y1/1969y1_19700331_0345_rmoseley.html
https://britastro.org/cometobs/1987p1/1987p1_19871028_rmoseley.html
https://britastro.org/cometobs/1988a1/1988a1_19880510_rmoseley.html