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WDS 00104+5831 ARY 7 AB (HD 570) : VISUAL OBSERVATIONS REPORTS
Show
date
username
difficulty
separation
pa_estim
interest
notes
Show
22/10/15
daedalus1
mean difficulty
separated
4
Seeing: Pickering 5, poor. Measure: theta 004, rho 124.42 +/- 0.056.