AAVSO Alert Notice 462: Monitoring of J1407 for Next Extrasolar Ring System TransitAAVSO Alert Notice 462: Monitoring of J1407 for Next Extrasolar Ring System Transit
AAVSO Alert Notice 462<br /> Monitoring of J1407 for next extrasolar ring system transit<br /> June 26, 2012 <p>Dr. Eric Mamajek (Cerro Tololo Interamerican Observatory and University of Rochester) has requested AAVSO observers’
