Blazar, BL Lac, and quasar

BL Lac : Very bright outburst in June
3C273 : Recorded the brightest magnitude in recent years
3C279 : Active state since March
3C66A : Rapid fading in January
4C29.45 : Radio outburst
MKN 421 : X-ray and optical outburst
OI090.4 : Brightening in Februrary
PKS 2155-304 : Sudden rapid fading in April
W Com