外部連結
- Marshall "Roc" Burns, [http://www.ennex.com/~Roc/name/index.asp My Nickname: The Mythological Roc] - TheRoc.net
- James B. "Jim" Kaler, [https://web.archive.org/web/20061011012334/http://www.astro.uiuc.edu/~kaler/sow/deltacyg.html DELTA CYG (Delta Cygni)] - STARS
- Alan M. MacRobert, [https://web.archive.org/web/20120324095950/http://www.skyandtelescope.com/howto/basics/3305886.html?c=y&showAll=y Understanding Celestial Coordinates] - Sky & Telescope
- Richard Powell, [http://www.atlasoftheuniverse.com/stars.html The Brightest Stars] - An Atlas of The Universe
评论 (0)