[APML] Iris nebula; processing help needed

[Alan Voetsch <alanv12952@yahoo.com>]

All,

I have been trying to improve this image. I took the one posted a
couple days ago, combined it with another negative I just got back,
zoomed in and cropped a bit. My current progress is here:
http://www.pbase.com/avoetsch12952/image/34162671

I've played with RGB curves a bit, applied some sort of USM, and a
Gaussian blur. I like to hear any ideas to bring out more detail, if
that's possible. Maybe there just is not enough signal to begin with.
One image is a 185 minute exposure and the original is 120 minutes. If
more signal is needed I'll need quite a few more exposures, because I
can't go much longer than 3 hours. And I'm willing to get more shots if
that's what it'll take.

I don't recall any film images of this object, does anyone have one
they can share with me for inspiration?

As always, thanks,
Alan




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