On the last night of the 2011 Oregon Star Party this recent comet seemed to be the thing to shoot. The QSI camera is monochrome with a color filter wheel and since the comet is moving it’s not really possible to do sequential color. So this is really a monochrome image that I hand colored to show what the comet actually looks like. Of course, there is also special processing to make the comet appear stationary: The sub-
Scope: AT111EDT at f/5.6
Mount: CGEM
Camera: QSI 583 at –
Exposure: 10 x 120s L, (20 mins total)