PhotographerJosé J. Chambó
Location of photoValencia, Spain
Date/Time of photoOct 21,2017 02:06 TU
EquipmentGSO 8" f/3.8 & Atik 383L+
DescriptionComet C/2017 O1 (ASASSN) photographed on October 21th 2017, at time begun to go away from Sun as Earth. In spite of had a brightness drop of half magnitude until 8.5, still shown photographically a coma with 10' diameter, alhough with external layer very difuse, and also a faint tail of 20' long toward southwest.