V1240 Her brightening? ASAS-SN detection. This object is listed as NL: with a range of 17.30 17.50V (GCVS). Brightening of an NL object or a Z Cam-type? V1240Her 17:02:44.09 22:35:48.00 16.8 2016/04/21 09:44 57499.40613000002 15.55 15.24 57499.40865 HERV1240 20160421.406 15.55V ASN HERV1240 20160421.409 15.24V ASN