Best Delphinus
NGC 6905, commonly called the Blue Flash Nebula, is a planetary nebula in the constellation Delphinus. It is the glowing shell of gas expelled by a dying intermediate-mass star, illuminated by the hot stellar remnant at its center. The object has a compact, elongated appearance in amateur and profes...
The Blue Flash Nebula, formally cataloged as NGC 6905, is a planetary nebula situated in the northern constellation of Delphinus. It was first discovered by the Anglo-German astronomer William Herschel in 1784. At its core lies an exceptionally hot, oxygen-rich Wolf-Rayet central star, classified as...
Rotanev, formally designated Beta Delphini, is the brightest star in the constellation Delphinus and a binary system of evolved F-type stars. The components orbit one another on a period of about 26.7 years and are too close to separate with the unaided eye, so the system appears as a single star of...
Sualocin, designated Alpha Delphini, is a multiple-star system in the constellation Delphinus and the constellation's second-brightest star. Its principal component is a hot blue-white B-type star, often classified as a late B-type main-sequence or subgiant object. The name first appeared in the Pal...
A planetary nebula in Delphinus roughly 7,500 light-years away, with a near-circular ionized shell and a hot central white dwarf responsible for its characteristic blue-tinted glow.
