Observation Star Summary for H L Alden

Total observations:111Number of uploaded data files:0
First observation:JD 2422540.860000\4 Aug 1920 08:38:24 UTLatest observation:JD 2424236.610000\27 Mar 1925 02:38:24 UT
Observation MethodNumber of Observations
Visual111

Summary by Year and Month

Summary by Stars