Dumbbell nebula

Dumbbell nebula

(M27; NGC 6853) A planetary nebula in the constellation Vulpecula. It has an hourglass shape (330 × 900 arc seconds) and a magnitude of 7.6.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

Dumbbell Nebula

[′dəm‚bel ′neb·yə·lə]
(astronomy)
A planetary nebula of large apparent diameter and low surface brightness in the constellation Vulpecula, about 220 parsecs (4.2 × 1015 miles or 6.8 × 1015 kilometers) away.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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