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R CrB

Special Notice #54: Fading of 1544+28A R CrB

August 6, 2007

R CrB: 15:48:34.41 +28:09:24.3 (2000.0)

The prototype of its class and characterized by random fadings from maximum light, 1544+28A R Coronae Borealis continues to fade in brightness. Observations reported to the AAVSO indicate that the present fading from its maximum visual magnitude of 6.0 began in early July 2007. Fading slowly to about magnitude 7.0 by July 17, it remained at that magnitude before continuing to fade again on July 22, since when it has declined more steeply, reaching magnitude 10.8 on August 6.

Alert Notice 233: Rare outburst of 0837+28 EG Cancri AND Request to monitor several R Coronae Borealis stars

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
INTERNET:  aavso@aavso.org
Tel. 617-354-0484       FAX 617-354-0665

AAVSO ALERT NOTICE 233 (December 2, 1996)

RARE OUTBURST OF 0837+28 EG CANCRI

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AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484