V635 Cas outburst The Be/X-ray binary V635 Cas is reported to optically brighten! YYMMDD(UT) mag observer 990705.057 153 (G. Poyner) 990708.069 153 (G. Poyner) 990711.048 154 (G. Poyner) 990712.042 153 (G. Poyner) 990713.065 154 (G. Poyner) 990717.076 153 (G. Poyner) 990718.065 154 (G. Poyner) 990723.074 152 (G. Poyner) 990724.051 146 (G. Poyner) 990724.085 145 (G. Poyner)