User's observation seiichi

Displaying 11-20 of 158 results.
CometObservation's time (UT)MagnitudeComa diameter(')Tail's lengthCondensation  
C/2015 F3 (SWAN) 2015-05-01 18:00:0012.71.4 2View Update
C/2015 C2 (SWAN) 2015-05-01 18:28:0011.01.0 2View Update
C/2014 W11 (PANSTARRS) 2016-01-09 20:24:0014.00.5  View Update
C/2014 W2 (PANSTARRS) 2015-11-20 16:33:0012.41.1 5View Update
C/2014 W2 (PANSTARRS) 2016-09-01 10:48:0014.00.6 2View Update
C/2014 W2 (PANSTARRS) 2016-05-01 12:14:0013.11.0 6.5View Update
C/2014 W2 (PANSTARRS) 2016-05-02 12:00:0012.21.3 6View Update
C/2014 W2 (PANSTARRS) 2016-05-04 11:16:0013.00.9 6View Update
C/2014 W2 (PANSTARRS) 2016-06-03 12:14:0013.11.6 6View Update
C/2014 W2 (PANSTARRS) 2016-04-08 15:50:0012.21.2 6View Update