AAVSO Special Notice #93: Possible major outburst in EX Lup

The pre main-sequence eruptive variable EX Lup (AAVSO 1556-40)
appears to be in outburst.  Albert Jones (Nelson, NZ) reports
EX Lup at m(vis) = 9.5 on JD 2454485.1236 (2008 Jan 19,
14:58 UT).  This is the second brightest outburst in this
object's recorded history, behind the major outburst of
m(vis) ~ 8.5, recorded around JD 2435300 (circa 1955).  
Observers are asked to continue monitoring this object through 
the current outburst.  Filtered photometry of this outburst is 
encouraged; all observations including visual will be very 
useful in tracking the evolution of this current activity.

EX Lup is located at RA: 16:03:05.5 , Dec: -40:18:25 (J2000)


Charts for EX Lup may be generated with VSP:

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


The most recent observations of EX Lup are available here:

http://www.aavso.org/cgi-bin/newql.pl?name=EX%20Lup&output=html


Please report all observations to the AAVSO as "EX LUP".

This AAVSO Special Notice was prepared by Matthew Templeton.

---------------------------------------------------
SUBMIT OBSERVATIONS TO THE AAVSO

Information on submitting observations to the AAVSO may be found at:
http://www.aavso.org/observing/submit/

SPECIAL NOTICE ARCHIVE AND SUBSCRIPTION INFORMATION

A Special Notice archive is available at the following URL:
http://www.aavso.org/publications/specialnotice/

Subscribing and Unsubscribing may be done at the following URL:
http://www.aavso.org/publications/email/