Dear all,

I have pleasure confirming the eruption of U Sco. Using a 40-cm f/5.1 telescope and SX-46 CCD camera at CBA Extremadura Observatory (Spain), I obtained 15 V-band exposures of U Sco, yielding following average magnitude:

2022 Jun 06.886 UT, V = 8.71

Congrats to Masayuki-san with this detection.

Best regards
Tonny

Tonny Vanmunster
CBA Belgium Observatory
CBA Extremadura Observatory
www.cbabelgium.com
www.peranso.com


-----Original Message-----
From: Patrick Schmeer via vsnet-outburst <vsnet-outburst@ooruri.kusastro.kyoto-u.ac.jp>
Sent: Monday, 6 June 2022 21:41
To: vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp; vsnet-outburst@ooruri.kusastro.kyoto-u.ac.jp; cvnet-outburst@groups.io; baavss-alert@groups.io
Subject: [vsnet-outburst 28764] U Sco eruption (not yet confirmed): recent ASAS-SN Sky Patrol data

U Scorpii  (NR)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=32820

Recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) light curve and data:
https://asas-sn.osu.edu/sky-patrol/coordinate/93c6536d-22e4-4a75-8ced-7997e400b05f
SCOU 20220605.8889 <17.41g ASN

No minor planet brighter than mag. 15 was was within a radius of 1° on 2022 June 6.72 UT.

Eruptions [sic] occur every 10 +/-2 years. The previous one was detected on 2010 January 28.

Confirmation of the current eruption, spectroscopy and multiband as well as time-resolved photometry are urgently required.

Clear skies,
Patrick
-------
Masayuki Moriyama wrote on Monday, 6 June 2022 at 18:55:54 UTC;

U Sco outburst!!

SCOU          20220606.56664 <173C    Myy.VSOLJ SCOU          20220606.72030 114C    Myy.VSOLJ

observer: M. Moriyama (Sasebo, Nagasaki, Japan)
instruments: 25cmSCT(F10)+ x0.63 Reducer +ST-10XME