NGC6820, NGC 6823 and SH2-86


This region of the sky is an emission nebula that surrounds open cluster NGC 6823 in Vulpecula, near M27, the Dumbbell Nebula. The nebula is also called Sharpless Sh 2-86 and the small emission nebula, NGC 6820 is the little yellow blur near the top right of the image. .

The most striking feature is the trunk-like pillar of dust and gas protruding from the east side of the nebula towards the open cluster, NGC 6823 in the west (just left of center in this image). The center of the open cluster is about two million years old and is predominantly represented by many young, bright blue stars. Outer parts of the cluster intimately involving pillars of emission nebula NGC 6820, contain even younger stars. The huge pillars of gas and dust are probably formed when surrounding gas and dust is pushed and eroded away by radiation from nearby stars. Remarkable dark globules of gas and dust are also visible in the nebula. This is a 10.5 hour total exposure (LRGB) taken on September 24 and 25, 28 and 29, 2013. I think even more exposure is needed to further reduce noise.  Click for a larger view.

All images © Mel Martin 2021     Contact Me