<nowiki>NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; এনজিসি ১৮৪০; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; NGC 1840; ammasso stellare nella costellazione della Mensa; 星団; Sternhaufen; star cluster; open cluster; open cluster; kluster bintang di rasi bintang Mensa; open sterrenhoop</nowiki>