To me it looks like there's CA in one of your channels - RGB and things get
funny during processing.
Use an alias name when posting to the PI Forum :)
Space is not black…
Jim
jimwaters@xxxxxxx
-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Michael McDonald
Sent: Tuesday, June 11, 2019 6:16 PM
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: Fungus eating the stars?
I like to start with the local experts before I make a fool out of myself in
front of the whole world! :-) A little better without the crud and holes in the
stars:
http://www.mikemac.com/Astrophotos/trifid-reintegrated-2019-06-08.png ;
<http://www.mikemac.com/Astrophotos/trifid-reintegrated-2019-06-08.png>
Still have bloated stars and some fringing.
And coma! Doesn’t sound like there’s much I can do about that though.
Mike McDonald
mikemac@xxxxxxxxxxx
On Jun 11, 2019, at 5:58 PM, Jim Waters <jimwaters@xxxxxxx> wrote:
Have you posted this on the PI Forum?
Space is not black…
Jim
jimwaters@xxxxxxx
-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Michael ;
McDonald
Sent: Tuesday, June 11, 2019 5:58 PM
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: Fungus eating the stars?
Nope, I haven’t progressed far enough to use deconvolution yet. I did
download “PSFImage†the other day to try deconvolution as my
stars a bloated in a bunch of my images.
I’m experimenting with running ImageIntegration by hand on the
registered G subs. So far, I can’t reproduce the that hole. I have
reproduced the one in all three components using Winsorized Sigma Clipping.
If I turn “Clip low rangeâ€Â, it cuts that star in half, with the
left side black and the right side normal.
If I use “Linear Fit clipping†instead, the crud goes away!
No crud:
http://www.mikemac.com/Astrophotos/no-crud.png ;
<http://www.mikemac.com/Astrophotos/no-crud.png>
No hole:
http://www.mikemac.com/Astrophotos/no-hole.png ;
<http://www.mikemac.com/Astrophotos/no-hole.png>
I can’t reproduce the parameters BPP is using to produce the
holes. :-(
Mike McDonald
mikemac@xxxxxxxxxxx