User's observation Walker

Displaying 1-2 of 2 results.
CometObservation's time (UT)MagnitudeComa diameter(')Tail's lengthCondensation  
C/1797 P1 (Bouvard-Herschel)1797-08-18 21:074   View Update
C/1797 P1 (Bouvard-Herschel)1797-08-19 00:004.5  View Update