JosÃ© J. ChambÃ³
GSO 8″ f/3.8 & Atik 383L+
Comet C/2017 O1 ASASSN imaged on August 22th 2017 continues evolving. One month after be discovered its brightness has increased until magnitude 9 and its tail continues growing. In this image is evident with 10′ lenght, although seems more long and shaped as ionic tail.