2017s3 20180719 jchambo

Object/Date:
C/2017 S3 (PANSTARRS) @ July 19,2018 02:42 UT

Description:
Comet C/2017 S3 (PANSTARRS) photographed on July 19th 2018, after a second outburst of activity, increased its brightness until magnitude 7 and expanding its greenish coma until a apparent diameter of 8', being observable through binoculars in the sky before dawn and developing a ionic tail which in this image is perceived with at least half degree lenght.

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