A stunning telescopic image reveals the Giant Squid Nebula (Ou4) nestled within the larger Flying Bat Nebula (Sh2-129) in the constellation Cepheus. The vibrant blue-green Squid Nebula, a bipolar outflow from a triple star system (HR8119), contrasts beautifully against the reddish hydrogen emission of the Bat Nebula. This composite image, created from 55 hours of narrowband data, spans 3 degrees of the sky, showcasing the incredible detail of these cosmic structures approximately 2,300 light-years away.

Astronomy Picture from 07/10/2020

Ou4: A Giant Squid in a Flying Bat

Source: https://apod.nasa.gov/apod/ap201007.html


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