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WDS 17237+3709 STF 2161 AB (Rho Her) : VISUAL OBSERVATIONS REPORTS
Show
date
username
difficulty
separation
pa_estim
interest
notes
Show
22/07/11
daedalus1
mean difficulty
separated
320
Seeing Pickering 9 Measure: theta 320, rho 4.2"+/- 0.132. An interesting white pair in a cluster of yellow stars.