C/2017 X1 ( PanSTARRS )

Japanese version
Home page
 Updated on May 17, 2020

---------------------------------------------------------------------

* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
.
2191 May 29
! C/2017 X1
2018 June 14

---------------------------------------------------------------------

Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.