Author Topic: More dust from Petts Wood - LBN 552 in Cepheus  (Read 283 times)

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Roberto

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More dust from Petts Wood - LBN 552 in Cepheus
« on: Jul 29, 2019, 22:51:52 »
Taken over 3 months on either side of the summer solstice...LBN 552 in Cepheus.  It was difficult enough to frame it as the dust barely registers in a single shot (10 mins for L).  Could have done with a few more hours of L but after finishing the colour yesterday decided to post as is...
Enjoy!
Roberto

https://www.astrobin.com/417861/C/




MarkS

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Re: More dust from Petts Wood - LBN 552 in Cepheus
« Reply #1 on: Jul 29, 2019, 23:22:16 »
Very nice.

You've done a very fine job capturing that form your location!

Mark

Carole

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Re: More dust from Petts Wood - LBN 552 in Cepheus
« Reply #2 on: Jul 29, 2019, 23:45:38 »
I've already liked on Astrobin.  I really don't know how you do it from your location, it must be something to do with you having better suited equipment to what I have, and maybe more patience to get all this data.  Having a remote obsy probably helps to do that too snatching lots of little bits. Plus platesolving for framing.

Carole

NoelC

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Re: More dust from Petts Wood - LBN 552 in Cepheus
« Reply #3 on: Jul 30, 2019, 09:19:32 »
Amazingly good from Petts Wood!
I really like the star colour.
Where did the curve come from? is that Pixinsight you used for the white balance?

Well done.
Noel
Synta mount, a bunch of telescopes and a shed (on wheels).

Roberto

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Re: More dust from Petts Wood - LBN 552 in Cepheus
« Reply #4 on: Jul 30, 2019, 10:07:55 »
Thank you Mark, Carole and Noel!
Noel, I use PixInsight exclusively now for calibration and processing.  The colour calibration is done using a module within it called Photometric Colour Calibration (PCC).  It does a linear fit of my image to the B-V characteristics of stars within it matching photometric catalogues for the area.  I end up tweaking further to remove remaining green casts that are unavoidable when imaging from London.  The only thing I changed in the PCC was to extend the minimum magnitude of the photometric catalogue from 12 to 15. It examined 800+ stars within the image and produced those plots.  The whole process is basically automatic.

Roberto