All Images Copyright Steve
is a total 6 hour exposure over 2
nights (3 hours each for Ha and OIII).
The faint Ha skirt was easily detected (click
here for Ha
image, and here
for the inverted image),
due to the relatively long exposure and the high Ha sensitivity
of the CM10
camera. This camera has the Kodak KAF3200 microlensed chip and
was ordered without the coverglass (QE curve shown here; original
source document available here).
Although I did not realize it at the time, there is a faint OIII signal
emitted from the skirt as well (click
making the color of this peripheral region more maroon or slightly
magenta, as opposed to pure red. It is also apparent that this
peripheral skirt is not homogeneous, but rather ruffled and scalloped
in nature, suggestive of jet-like emission as opposed to a slowly
expanding outward bubble. I am not certain about this and have
submitted this question to others for advice.
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