Bill,
I used PI Comet Alignment. Here's a really good video tutorial: http://harrysastroshed.com/pixinsight/p ... inter.html
Lovejoy 1/13/2015
Re: Lovejoy 1/13/2015
Yup, that's really cool!
"The purpose of life is the investigation of the Sun, the Moon, and the heavens." - Anaxagoras