Low state of HS 2133+0513 According to the CRTS data, the CV HS 2133+0513 (NL or UGZ) (at 213559.308 +052700.51) is fading. It was recorded at around 18.5 on Aug. 9 (more than 2 mag below the usual magnitude). This object may be either a VY Scl-type object or a Z Cam star with deep fading episodes.