Название
Observatoire Royal de Belgique
Ссылка
CDC.S6
Форма и содержание
Prints made from photographs of the night sky taken with telescopes from the Observatoire Royal de Belgique in Belgium between 1908 and 1933 as part of the Carte du Ciel celestial mapping project. The photographs are centered horizontally at declinations of +33, +35, +37, and +39 and vertically at right ascensions ranging from 0 hours, 3 minutes through 23 hours, 55 minutes. The vertical center of each print is 8-10 minutes of right ascension away from the previous.
ISBN
cartographic material
Уровень описания
SERIES
