George, isn't your image mirrored (mirror-flipped)? I compared it to mine
and found that they are mirror-symetrical.
Greeting,
Gordan
"George Normandin" wrote in message
...
This is taken with an STL-1301E thru an OGS 20-inch RC Cass working at
around F/5. The field is still two small to see the outer envelope in this
image. This was a 5:2:2:4 minute LRGB exposure, made while chasing the
comet thru clouds.

George N