Roger Diethelm (1948– ) is a Swiss observer of variable stars and editor of the variable-stars bulletin of the Schweizerische Astronomische Gesellschaft. He founded the R. Szafraniec Observatory in Metzerlen, where the first of the discoverers observed on several occasions. (M 45236) _ _.
Discovered on 21-1-1996 in Ondrejov by Wolf, M., Pravec, P.