الأصول الرقمية و VASP
MESSIER (M87)
Imported product record for MESSIER (M87). Catalogue ID #512 is an internal identifier, not an official registration number. Imported source rank: 512; it may be out of date.
INSTITUTIONAL RESEARCH DESK
Imported product record for MESSIER (M87). Catalogue ID #512 is an internal identifier, not an official registration number. Imported source rank: 512; it may be out of date.