theedgeofscience:Giant Space JellyfishThis neat looking planetary nebula is located in the constella
theedgeofscience:Giant Space JellyfishThis neat looking planetary nebula is located in the constellation of Cassiopeia and was snapped by the Mayall 4-meter telescope at Kitt Peak National Observatory. Officially designated HFG1 it was produced as a binary star system threw off large amounts of gas during their growing phase. The hydrogen alpha wavelengths are seen in red and oxygen in blue. -- source link