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 20220417.31391 16.757g RFD 0.066 MENTU 20220417.31300 16.864g RFD 0.082