Hi.
I've wanted to capture M45 for several years and on each occasion technical problems intervened. Camera tilt on this occasion. I am so used to using prime lenses that the draw tube focuser problem escaped me - lesson learned.
Processing in PixInsight with default TGVNoise reduction on the CIE Lab layers.
Cooled Canon 450D (-10C) ISO400 and 800 (about half and half). Unguided 93 frames 180s. The usual complement of bias darks and flats.
There are faint hints of the dust field behind which Pleiades is passing.
Snake Valley last year - October November camp.
Higher res
Critique is always welcome...