I have been trying to shoot this one for years before Halloween.
Finally I got in a good evening worth of data. It is a WIP because after meridian flip the left 1/3 of the image got clipped so
I ended up with 150 frames of mosaic data. I will add this alter for a giant square format image.
T2i Full spectrum
iso 800, 120 subs 40s each
Lens: Samyang 135mm F2 @F2
Astronomik UV/IR clip filter
unguided on zeq25gt
full calibration, 20 dark, 20 flat, 400 bias.
Processed with, Pixinsight, Straton, and adobe PS CC