2022年1月19日 M31: The Andromeda Galaxy Image Credit: Subaru (NAOJ), Hubble (NASA/ESA), Mayall (NSF); Processing & Copyright: R. Gendler & R. Croman Explanation: The most distant object easily visible to the unaided eye is M31, the great Andromeda Galaxy. Even at some two and a half million l […]
2022年1月14日 NGC 1566: The Spanish Dancer Spiral Galaxy Image Credit & Copyright: Mark Hanson and Mike Selby Explanation: An island universe of billions of stars, NGC 1566 lies about 60 million light-years away in the southern constellation Dorado. Popularly known as the Spanish Dancer galaxy, it
2021年11月27日 Messier 101 Image Credit: NASA, ESA, CFHT, NOAO; Acknowledgement – K.Kuntz (GSFC), F.Bresolin (U.Hawaii), J.Trauger (JPL), J.Mould (NOAO), Y.-H.Chu (U. Illinois) Explanation: Big, beautiful spiral galaxy M101 is one of the last entries in Charles Messier’s famous catalog, but
2021年11月12日 M33: The Triangulum Galaxy Image Credit & Copyright: Bernard Miller Explanation: The small, northern constellation Triangulum harbors this magnificent face-on spiral galaxy, M33. Its popular names include the Pinwheel Galaxy or just the Triangulum Galaxy. M33 is over 50,000 light-ye
2021年10月15日 NGC 289: Swirl in the Southern Sky Image Credit & Copyright: Mike Selby Explanation: About 70 million light-years distant, gorgeous spiral galaxy NGC 289 is larger than our own Milky Way. Seen nearly face-on, its bright core and colorful central disk give way to remarkably faint, bl
2021年9月18日 Rubin’s Galaxy Image Credit: NASA, ESA, B. Holwerda (University of Louisville) Explanation: In this Hubble Space Telescope image the bright, spiky stars lie in the foreground toward the heroic northern constellation Perseus and well within our own Milky Way galaxy. In sharp focus be
2021年8月13日 A Perfect Spiral Image Credit: NASA, ESA, Hubble, HLA; Processing: Mehmet Hakan Ozsarac Explanation: If not perfect then this spiral galaxy is at least one of the most photogenic. An island universe of about 100 billion stars, 32 million light-years away toward the constellation Pisces, M
2021年7月22日 NGC 7814: Little Sombrero with Supernova Image Credit & Copyright: CHART32 Team, Explanation: Point your telescope toward the high flying constellation Pegasus and you can find this expanse of Milky Way stars and distant galaxies. NGC 7814 is centered in the pretty field of view that
2021年06月24日 Messier 99 Image Credit: NASA, ESA, Hubble, Janice Lee; Processing & Copyright: Leo Shatz Explanation: Grand design spiral galaxy Messier 99 looks majestic on a truly cosmic scale. This recently processed full galaxy portrait stretches over 70,000 light-years across M99. The sharp v
