Time Series on RX And

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Tony Rodda

An un-calibrated frame from last night.  60 sec in “V”  from a lowly G3 (as my 460EX is still hooked up to my ALPY) but I managed an hour before the cloud rolled over.  A bright sky but SNR was OK.  AIP4WIN MMT gives Mv 13.300 (+/- 0.005), falling to 13.45 (+/- 0.05) using 9 ensemble stars, but notice the increase in error as the clouds hit.