O & B stars uvby-Hbeta photometry. II.

Stroemgren and H{beta} photometry of O and B type stars, generally brighter than 10mag is presented for the fields of the galactic OB associations Monoceros OB2, Canis Major OB1...本数据集提供了银河OB星协麒麟座OB2、大犬座OB1等天区内，星等普遍亮于10等的O型与B型恒星的斯特龙根（Stroemgren）测光与Hβ测光数据。