Wikipedia states it was launched at 11:38:00.010 EST. The SRB failure happened approximately 70 seconds after Lift-off.
Challenger, Jan 28, 1986
The space shuttle Challenger came apart on that date and subsequently crashed into the ocean. All seven astronauts were killed.
8:56 am on Tuesday Jan. 28 1986
Darby Crash's birth name is Jan Paul Beahm.
2011 jan 28 drivers were Julian Donaldson And Kyle Pham
Jan Pahor was born on 1986-06-10.
Jan Stary was born on 1986-02-07.
Jan Weber was born on 1986-08-28.
Jan Švrček was born on 1986-04-17.
Lior Jan was born on 1986-08-20.
Jan Schulmeister was born on 1986-03-11.
Jan Zapletal was born on 1986-08-21.