Blue Flash Nebula

Introduction
Blue Flash Nebula, also known as NGC 6905, is a planetary nebula in the Delphinus Constellation. Blue Flash Nebula is located 7500 Light Years from Earth. Blue Flash Nebula has a central star which has a surface temperature of 150 Kelvin. Blue Flash Nebula was discovered in 1784 by German-Born British Astronomer William Herschel.