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Outburst of EX Hya
May 22, 2010

Rod Stubbings has reported that the infrequently outbursting dwarf nova 
EX Hydrae is in outburst.  Stubbings reported the star at a visual 
magnitude of 9.4 on 2010 May 22.667 (JD 2455339.167) and it remained at 
9.4 through May 22.721 (2455339.221).  Both visual and instrumental 
observations of EX Hya are urgently requested.  CCD observers, please 
obtain time-series photometry if at all possible.  Please follow this 
outburst through its completion; EX Hya is known to have short 
outbursts, so this outburst may be very brief.


EX Hya is located at the following (J2000) coordinates:

	RA: 12 52 24.22 , Dec: -29 14 56.0


Charts for EX Hya may be plotted using AAVSO VSP:

http://www.aavso.org/observing/charts/vsp/index.html?pickname=EX%20Hya


Please promptly submit all observations to the AAVSO with the name "EX HYA".


This Special Notice was prepared by Matthew Templeton.

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