?                                                                                                                                                                                                                                                                                                                                                                                                                        

Sirius and Canopus

This post is also available in: 日本語 (Japanese)

Brightness of Sirius (luminance -1.77 mag) and Canopus (luminosity -0.62 mag).
In Japan, the canopus with a very low sky is considered to be a dark orange star, but it is actually pale like the Sirius.
Cebu, Bantayan Island 24㎜ Softon A 2019-12-31

最新情報をチェックしよう!( Check the latest information!)