I looked thru my new copy of “Inside PixInsight” and I don’t see anything
specific to your street light problem. But it seems (to this amateur!) that if
you created a mask with a large enough feature threshold to avoid the stars, it
should cover the flare. The problems I foresee are 1) that area may look
annoyingly blank after whatever processing you do and 2) the edge between the
flare and “good stuff” may be noticeable. This may be a time for a paint
program, copy some good background over the flare and deal with the purists who
complain the star pattern in that area isn’t correct. Or Lightroom would allow
you to create a diagonal graduated mask just down in that corner and then crank
the light curves way down.
Can’t you setup in your neighbor’s driveway? :-)
Ooh! Here’s another idea: crop it so it’s a circular image! You’d lose a bit on
the left but it’d still look nice. Telescopes have circular image circles
anyway. It’s just those chip guys who are such linear thinkers! :-)
Mike McDonald
mikemac@xxxxxxxxxxx
On Mar 3, 2019, at 4:08 PM, James Yoder <az.jyoder@xxxxxxxxx> wrote:
Last Wednesday I was lucky enough to be able to take my telescope in the
front yard and get about 150 minutes of integration time on IC-443
(Jellyfish Nebula).
the front yard, right on the sidewalk is about the only location I can find
that I can see a good percentage of the sky. Of course this isn't so good
for when there is traffic, and the streetlamps, etc. It is not uncommon
for me to get a couple of hot spots in my images depending on where in the
sky I am pointing. Usually I try to crop them out. This time, though I
couldn't get rid of it via cropping since the hot spot is so close to the
main part of the nebula.
Check out the image I took here:
http://www.artcentrics.com/Best_PhotoGraphs/AstroPhotography/Astronomy_IC443_JellyfishNebula_20190227_150min.jpg
As you can see there is a flare in the lower right of the photo.
Does anyone know if PixInsight is able to remove this using mask or
something of that nature, and where I might find some information or
video's on how to proceed on that?
Thanks!
James
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