NGC 752 Numbering system (5.08.98) 1 - 396 : Heinemann (1926) 401 - 513 : sequential numbering 1080 - 1497 : Rohlfs and Vanysek, no + 1000 1501 - 1626 : Junkvist (Table II), no + 1500 2001 - 2329 : Rebeirot, no + 2000 3001 - 4777 : Platais, no + 3000