SIMBAD references

B. E. Schaefer, Louisiana State University, reports that B. G. Harris (New Smyrna Beach, FL, USA) has discovered the recurrent nova U Sco (cf. IAUC 7749, 8279) to be in outburst. On Jan. 28.4385 UT, U Sco was recorded with CCD images and visual observations to be at magnitude V = 8.05. This discovery has been confirmed by B. E. Schaefer with a 15.2-cm telescope and by S. Dvorak (Clermont, FL, USA) at mag about 8.8 visually. M. Templeton, AAVSO, reports the following previous magnitudes for U Sco: Jan. 27.450, V = 18.2 (Harris); 27.627, [16.5 (M. Linnolt, Hoolehua, HI, USA; visual). This is the tenth discovered eruption, with the last being in 1999 (cf. IAUC 7113), when it reached visual mag 7.5. U Sco is located at R.A. = 16h22m30s.80, Decl. = -17o52'43".0 (equinox 2000.0). The entire peak (from quiescence to peak, to one mag below peak) occurring inside of one day. This fast event requires fast reaction to get observations near the peak.