Observation Star Summary for S Johnston

Total observations:13,635Number of uploaded data files:607
First observation:JD 2450685.411800\24 Aug 1997 21:53:00 UTLatest observation:JD 2458165.352250\15 Feb 2018 20:27:14 UT
Observation MethodNumber of Observations
CCD11,407
Visual2,228

Summary by Year and Month

Summary by Stars