IC 5146
From Wikipedia, the free encyclopedia
IC 5146, also Caldwell 19 and the Cocoon Nebula, is a Reflection nebula and Caldwell object in the constellation Cygnus. It shines at magnitude +10.0. Its celestial coordinates are RA 21h53.5m, DEC +47°16'. It is located near the naked-eye star Pi Cygni, the open cluster NGC 7209 in Lacerta, and the bright open cluster M39.
[edit] References
- Stars and Planets, Jay M. Pasachoff, PETERSON FIELD GUIDESTM, 2000, ISBN 0-395-93432-X
- The Universe from Your Backyard: A Guide to Deep-Sky Objects from ASTRONOMY Magazine, David J. Eicher, AstroMedia (Kalmbach Publishing Company), 1988, ISBN 0-521-36299-7
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