George Normandin wrote:

"Rick Johnson" wrote


They are only hinted at in my shot. I toyed with unsharp masking but
didn't push it like you did. Looks like I should have! I'll find the time
to go back and see what that does for me. Though the bow shock is well
out of my frame. I do need to get something with a shorter focal length!



Rick,

I bet that the same detail is in your data just waiting to be teased out!

Do you have a focal reducer? Or you could always go the mosaic route.
I've been toying with the idea of buying or building an 8-inch F/4 Newt with
coma reducer as a 'wide-field' imager and Milky Way scanner for visual use.
Vixen and Parks both sell 8" F/4's and Royce sells a cone-shaped primary.

George N


Reducer doesn't help. I'm already using the full field of the LX200R.
It is 1.75" across at the field stop which is about 8" in front of the
focal point so I'm getting a bit of vignetting on the corners now though
it flat fields out. My off axis guider comes in at the short side and
the on camera guiding chip is on the other short side. So I can't
really use a compressor. I bought one and quickly found out it was
useless. I may use it visually to save expensive eyepieces for low power.

A mosaic of a comet would be interesting as the overlapping stars
wouldn't match due to motion of the comet between the views. I'd need 4
for this guy. The overlap would look really odd I'm afraid.

If I rebuild my 6" f/4 it would work. Right now the tube is old and
weak where the spider sits allowing flex that causes it to lose
collimation just by slewing 40 degrees. A new fiber glass tube and
better spider should do the trick if the coma reducer for the STL series
does its job. I've not seen or heard much about it. The other problem
is I love that scope visually and would hate to lose it. Held in your
lap while on my deck in a reclining swivel chair and you can quickly get
lost in the universe with that scope. Eventually I'll figure something
out. Any cheap FSQs out there? Nope, didn't think so.

Rick

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