2017s3 20180709 jchambo

Object/Date:
C/2017 S3 (PANSTARRS) @ July 9,2018 02:42 UT

Description:
Comet C/2017 S3 (PANSTARRS) photographed on July 9th 2018, a week after its first outburst of activity has dropped from magnitude 9 to 10.5 with a coma which has reduced again its size from 5 to 3 arcseconds in appearent diameter. In the upper part of the image highlights "Tombaugh 5", a little-known open cluster of faint 12 magnitude stars.

Tech data:
Telescope GSO 8" N f/3.8 & Camera Atik 383L+.
14.5 min. total exposure. Non-composite stacking.
Locally from Vallés, Valencia (Spain).