Cheers Kevin. They're tough things but I'm starting to be swayed that comet sketches might be valuable things to do. Every comet is different through the eyepiece (& different eyepieces & scopes & sky conditions!) and they change over time. What they look like through the eyepiece is different to how they photograph. Comets aren't like the Moon, nebulae, galaxies etc which will sketch the same now, tomorrow or in a hundred years time.
It's a matter of whether you can accurately represent the eyepiece view in a sketch, for comparative purposes. Camera technologies, sensitivities etc change over time too, but the human eye doesn't. Er, other than the damn bit about getting older...
