Zeta UMa Observatory

Sh2-86 (NGC 6820) + NGC 6823

NGC 6820 es una nebulosa de emisión que rodea el cúmulo abierto NGC 6823 en la constelación de Vulpecula, cerca de la Nebulosa Dumbbell. Su figura más llamativa es un pilar de polvo y gas con forma de trompa que apunta hacia el cúmulo abierto. El cúmulo tiene unos 2 millones de años, y está formado por estrellas jóvenes, brillantes y azules. Los gigantescos pilares de gas y polvo se han formado, probablemente, al erosionarse por culpa de la radiación procedente de las estrellas cercanas. NGC 6820 is an emission nebula that surrounds open cluster NGC 6823 in Vulpecula, near M27, the Dumbbell Nebula. 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. 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.
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