C/1743 X1
... that C/1743 X1, the Great Comet of 1744 , is thought to have been the sixth intrinsically brightest on record and went on to develop six tails?
... that <i id="mwCDY"><b id="mwCDc"><a class="mw-redirect" href="./C/1743_X1" id="mwCDg" rel="mw:WikiLink" title="C/1743 X1">C/1743 X1</a></b></i>, the Great Comet of 1744 <i id="mwCDk">(pictured)</i>, is thought to have been the sixth intrinsically brightest on record and went on to develop six tails?