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BOSS very bright PSN alert
Hi All
If anyone is interested in visually observing this suspected supernova and making magnitude estimates, the variable star R Lupi is located about 1 deg south of NGC 5643. The AAVSO has a reasonable chart for R Lupi with comparison star mags in the 11-14th mag range. I suggest this chart is used until Mati Morel or the AAVSO issue a specific NGC 5643 chart.
Perth has a clear night tonight, so we have the opportunity of seeing a 50m rock pass within 30,000 kms and a very bright and distant supernova at almost the same time!
Regards
Andrew
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