This is located 550 light years away in the Cassiopeia constellation. Gamma Cassiopeiae is the star responsible for causing this gas cloud to glow from massive eruptions of ultraviolet radiation. The star is just out of the frame and is so bright that you can see the glow from it in this image, it makes up the central point of the W in Cassiopeia.


Celestron 9.25 XLT
ZWO ASI2600MC Duo
Skywatcher EQ-R Pro
STC Astro Duo filter
ASIAIR Plus
103 x 300 second exposures