We viewed this lovely comet from our front porch(!) in early-mid July 2020. The daily specifics are on the index page blog, and give a good idea how one might chronicle such an event. I recommend taking notes contemporaneously, as you will forget. The details for this photograph are as follows:

This close-up shot is merely a tight crop of the wide-angle horizontal image, first-magnitude star Capella in Auriga top right in the pic. Taken on a fixed tripod from our front porch. (Nikon 5100, Rokinon 14mm f/2.8 ED lens at f/4, ISO 3200, 15 seconds, 04:35 MDT, 07/10/2020)

 

[copyright Rabbit Valley Observatory/Willis Greiner, 2020 -- all rights reserved]