BMAM-V763 Also detected as a large-amplitude variable in ZTF: 203831.0 +304901 (2000.0) ZTFJ203831.09+304901.8 g=19.766 (18.882-20.744) P=0.0145 203831.0 +304901 (2000.0) ZTFJ203831.10+304901.8 susp g=19.746 r=19.294 amp=0.709 P=17.9493900 logfalse=-6.638