Comet C/2017 S3 (PANSTARRS) photographed on July 20th, 2018, after a pair of outbursts developed a ionic tail during some days, but this one weaken fast. In this image the tail had already started to vanish, although still is appreciable some structural detail in it.
Daten zum Bild
|Zeitpunkt||20.07.2018 10:17 UT|
|Teleskop/Objektiv||Planewave 20" CDK f/4.4|