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WDS 00426+7122 STF 48 AB (HD 3891) : VISUAL OBSERVATIONS REPORTS
Show
date
username
difficulty
separation
pa_estim
interest
notes
Show
22/10/11
daedalus1
mean difficulty
separated
333
Seeing: Pickering 6, good. Measure: theta 333, rho 5.38 +/- 0.065.