Gliding through the dark cosmic ocean of Cepheus, the vast red glow of the Flying Bat Nebula (Sh2-129) frames the ethereal, cyan body of the Giant Squid Nebula (Ou4). Powered by the ultraviolet radiation of massive surrounding stars ionizing hydrogen gas, Sh2-129 hosts the delicate doubly ionized oxygen (OIII) structure of Ou4 nestled within its wings. Discovered in 2011 by Nicolas Outters, this rare bipolar outflow spans roughly 50 light-years and is driven by the central triple-star system HR 8119—requiring dozens of hours of targeted narrowband integration to reveal its faint, captivating beauty.
Gliding through the dark cosmic ocean of Cepheus, the vast red glow of the Flying Bat Nebula (Sh2-129) frames the ethereal, cyan body of the Giant Squid Nebula (Ou4). Powered by the ultraviolet radiation of massive surrounding stars ionizing hydrogen gas, Sh2-129 hosts the delicate doubly ionized oxygen (OIII) structure of Ou4 nestled within its wings. Discovered in 2011 by Nicolas Outters, this rare bipolar outflow spans roughly 50 light-years and is driven by the central triple-star system HR 8119—requiring dozens of hours of targeted narrowband integration to reveal its faint, captivating beauty.