AAVSO Alert Notice 546: Campaign on V1687 Cyg (WR 140)AAVSO Alert Notice 546: Campaign on V1687 Cyg (WR 140)
AAVSO Alert Notice 546<br /> Campaign on V1687 Cyg (WR 140)<br /> August 3, 2016 <p>Dr. Noel Richardson (University of Toledo) and colleagues have requested AAVSO assistance in optical monitoring of the bright,