This month, Nick Evetts and Mary McIntyre cover the latest discoveries, what is visible in the night sky, and part 2 with our guests, Jim Scotti of Spacewatch and Rich Kowalski and Rik Hill from the Catalina Sky Survey!
https://spacewatch.lpl.arizona.edu/
https://catalina.lpl.arizona.edu/
https://www.lpl.arizona.edu/
http://www.lpl.arizona.edu/~rhill/
https://www.hq.nasa.gov/alsj/jimscotti.html
BAA Comet Section page 
BAA Comet Section Visual Observations Page
BAA YouTube Channel
Project Alcock
The Astronomer
The Astronomer  Youtube Channel
The German Comet Group
Seiichi Yoshida’s page
Liga Iberoamericana de Astronomia
Comet chasing
International Comet Quarterly
Cometbase