Observer: Filipp Romanov (Russia). Remotely using AAVSOnet telescope: OC61 (Optical Craftsman 0.61-m telescope located at Mount John University Observatory, New Zealand): Sloan G, 60 sec. exp.: MENTU 20220511.28546 16.911g RFD 0.063 MENTU 20220511.28455 16.880g RFD 0.060