The tail was about 30 degrees long last night with the naked eye.
It went from the coma to epsilon PsA which is 28.5 degrees in a straight line.
The distance around the curve was longer than that.
20/1/07 at 9pm. (GMT+11)
The second image by Vello Tabur shows it well.
http://members.tip.net.au/%7Evello/2006p1/2006p1.htm