NGC 7243
From Wikipedia, the free encyclopedia
NGC 7243, also Caldwell 16, is an open cluster and Caldwell object in the constellation Lacerta. It shines at magnitude +6.4. Its celestial coordinates are RA 22h15.3m, DEC +49°53'. It is located near the naked-eye stars Alpha Lacertae, 4 Lacertae, an A-class double star, and planetary nebula IC 5217.
[edit] References
- Stars and Planets, Jay M. Pasachoff, PETERSON FIELD GUIDESTM, 2000, ISBN 0-395-93432-X
- FIREFLY: Atlas of the Universe, Sir Patrick Moore, Firefly Booka Limited, 2003, ISBN 1-55297-819-2
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