Аннотация:MASTER J221621.91+705415.5 - new CV MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 22h 16m 21.91s +70d 54m 15.5s on 2012-06-03.65575 UT. The OT unfiltered magnitude is 15.3m (limit 17.3m). The OT is seen in 2 images. We have reference image without OT on 2011-11-23.39090 UT with magnitude limit in ’R’ filter 18.4m. This star was in outburst on the 1st epoch Palomar plates taken on 1952-08-19 and in quiescence on other DSS plates.