Here in the Seattle area, we get lots of cloudy days — and nights. So when there are clear viewing opportunities, it’s always nice to maximize overall productivity instead of spending the night trying to figure out what would be interesting to see, slewing all over the place and not giving objects the attention they deserve.

Some choices — like whether or not one is planning to do visual observing or imaging are pretty easy to decide — but then what are you planning to look at? That pair of More >