Best Bright Blue
Morpho peleides, commonly called the Peleides blue morpho or simply the blue morpho, is a large butterfly species in the family Nymphalidae, distributed from Mexico through Central America into northern South America. The dorsal surface of males displays vivid iridescent blue coloration produced by...
The Adonis Blue is a species of butterfly belonging to the Lycaenidae family, primarily found in calcareous grasslands across Europe. Males are recognized by their vivid, electric-blue upper wings, while females are generally chocolate brown. In the United Kingdom, the species relies heavily on chal...
M78, also known as NGC 2068, is a visually stunning reflection nebula located within the Orion constellation. This classic nebula exhibits brilliant blue hues due to light scattering off dust particles. It’s notable for containing the famous "Cat's Eye" planetary nebula, a complex interaction betwee...
Aludra, designated Eta Canis Majoris, is a blue supergiant star of spectral type B5 located in the constellation Canis Major. Positioned roughly 3,000 light-years from Earth, it ranks among the most intrinsically luminous stars in the night sky, emitting hundreds of thousands of times more light tha...
The Iris Nebula (NGC 7023) is a bright reflection nebula located approximately 1,300 light-years from Earth in the constellation Cepheus. It is illuminated by the hot young star HD 200775, with the star's light reflecting off surrounding dust grains to create the nebula's distinctive blue coloration...
Paikauhale, formally designated Tau Scorpii, is a hot blue-white main-sequence star located in the constellation Scorpius. The star is scientifically notable for its strong stellar winds, complex magnetic fields, and corresponding X-ray emissions. Its traditional Hawaiian name, meaning "irresponsibl...
The Blue Snowball Nebula, designated as NGC 7662, is a bright and compact planetary nebula located in the northern constellation of Andromeda. It was discovered by the astronomer William Herschel in 1784. The nebula is notable for its nearly circular disk and its vivid blue-green color, which is eas...
Kraz is the proper name of Beta Corvi, a bright star in Corvus, the constellation representing the crow. It is generally identified as the constellation's second-brightest star and lies roughly 140 light-years from Earth. Kraz is a yellow bright giant with a spectral classification near G5, making i...
NGC 7662, commonly called the Blue Snowball Nebula, is a planetary nebula in the constellation Andromeda. It consists of gas expelled by a dying star, with strong emission from ionized oxygen contributing to its blue-green appearance in images and through telescopes. Its compact, bright disk can be...
Muliphein is the proper name of Gamma Canis Majoris, a star in the constellation Canis Major. It is a blue-white B-type star visible to the unaided eye under suitable conditions, although it is much fainter in Earth's sky than Sirius, the constellation's dominant star. The International Astronomical...
NGC 6905, called the Blue Flash Nebula, is a planetary nebula in Delphinus at a distance of roughly 7,500 light-years. It contains a near-circular shell of ionized gas surrounding a hot central white dwarf, whose radiation makes the nebula glow and gives it a blue-tinted appearance. The nickname des...
