V811 Cyg: September long outburst

The long, bright outburst of V811 Cyg was observed. The outburst has continued since September 9 at 13.3-13.8 mag. Although the object is usually considered as an SS Cyg-type object, this rare outburst is longer than normal ones of this type (vsnet-campaign 497). The rapid fading from the long outburst was observed on September 17 (15.1, 14.7 mag) (vsnet-campaign-dn 147).

Light Curve and General Information of This Object