Re: [vsnet-chat 1663] Re: On the U Sco outburst > Sorry I found it necessary to temper the spirit by reporting my > negative observation (which I stand by) just (less than 4 hours) > preceding the alert and my hint of disbelief. I could hardly > comprehend the 5 magnitude brightening in that time. Astonishingly enough, Berto's observation on Feb. 25 was just 22 min prior to the predicted mid-eclipse. It may be likely Berto's detection was hindered by the eclipse, say, the size of the exploding shell may have been still mostly within the secondary's size. If he or Patrick saw the object 1 hour after, the situation may have been drastically changed. Regards, Taichi Kato