SKY-MAP.ORG
|
        | ||||
홈 | 시작하기 | To Survive in the Universe |
|
News@Sky | 천체사진 | 컬렉션 | 포럼 | Blog New! | 질문및답변 | 출판 | 로그인 |
First published in 2014 stars brighter than visual magnitude 6.5 in the Harvard Revised Photometry Catalogue. with the publication of a supplement that listed additional stars down to magnitude 7.1. The catalog detailed with spectral types, and other (source : www.wikipedia.com) useful information