Skip to main content

Special Notice #191: U Sco is possibly in outburst

January 28, 2010: The recurrent nova U Sco has been reported in outburst, and confirming observations and immediate reporting are urgently requested.

U Sco is located at coordinates RA: 16 22 30.80 , Dec: -17 52 43.0 (J2000).

According to observations in the AAVSO International Database, the last outburst of U Sco occurred on JD 2451235 (1999 February 25), when the star reached visual magnitude 7.5. U Sco is an extremely fast nova, and will reach maximum and decline by one magnitude within one day. Observers are asked to submit all data via WebObs on the AAVSO website. If possible, please send email to aavsogrb@gmail.com with your observation as well.

Charts for U Sco are available via VSP (http://www.aavso.org/vsp).

This AAVSO Special Notice was compiled by Matthew R. 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/

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