User's observation Vsekhsvyatskij

Displaying 1-2 of 2 results.
CometObservation's time (UT)MagnitudeComa diameter(')Tail's lengthCondensation  
C/1957 P1 (Mrkos)1957-08-07 00:00:002 5 View Update
C/1957 P1 (Mrkos)1957-09-02 00:00:005   View Update