Very bright optical transient near the Trifid and Lagoon Nebulae: <a href="http://www.astronomerstelegram.org/?read=11448" rel="nofollow">http://www.astronomerstelegram.org/?read=11448</a><p>40 minutes later, Erratum: <a href="http://www.astronomerstelegram.org/?read=11449" rel="nofollow">http://www.astronomerstelegram.org/?read=11449</a>