Image processing

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Isolating a bright star

Last post by astroimagery « Wed Aug 30, 2023 2:37 pm
Replies: 7
by KathyNS » Fri Dec 04, 2020 8:49 pm

First post

In my image of the Gamma Cass Nebula (IC 63) , I did a lot of work to control the bright star. My technique was to create three separate images from...

Last post

I use starXterminator and have found it to be much better than the other programs I've tried. It is not perfect when up against an extremely bright...

7 Replies

14049 Views

Last post by astroimagery
Wed Aug 30, 2023 2:37 pm
How to Calibrate a CMOS Camera with PixInsight's WBPP Script

Last post by STEVE333 « Sun Dec 19, 2021 1:36 am
Replies: 19
by STEVE333 » Wed Jun 10, 2020 1:33 am

First post

This short tutorial is intended to show CMOS camera users HOW to calibrate their data. I'll be using the new PixInsight WBPP script for convenience,...

Last post

Hi AB - I'm still using my 1600MM. I created my MasterDark in June 2020 and am still using the same MasterDark and it seems to be working OK. Maybe a...

19 Replies

46537 Views

Last post by STEVE333
Sun Dec 19, 2021 1:36 am
Creating a Lunar Mosaic Using a CMOS Camera

Last post by yobbo89 « Sat Jan 16, 2021 5:21 pm
Replies: 22
by bladekeeper » Sun Oct 13, 2019 12:49 am
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First post

Creating a Lunar Mosaic using a CMOS Camera

This tutorial will show you how to capture and create a lunar mosaic using a CMOS camera. A CMOS camera...

Last post

this should be the only thread we can necro post :) haha very good tut and simple , i always come back here for this moon mosiac tutorial .
22 Replies

54824 Views

Last post by yobbo89
Sat Jan 16, 2021 5:21 pm
Solar image processing.

Last post by Gordon « Fri Nov 13, 2020 4:59 pm

by Gordon » Fri Nov 13, 2020 4:59 pm

Below is a list of topics that were created by member Lowjiber (John) that outline the processing techniques he uses to produce his amazing solar...

0 Replies

9879 Views

Last post by Gordon
Fri Nov 13, 2020 4:59 pm
New Image: practice data The laughing skull

Last post by messier 111 « Fri Sep 29, 2023 10:49 pm
Replies: 2
by Mirrorgirl » Fri Sep 29, 2023 4:36 pm

First post

Hi there

I processed the practice data of the laughing skull, i use curves to bring out the nebula and ET in pixinsight and separately i saturated...

Last post

fine smoke , thx .

2 Replies

25 Views

Last post by messier 111
Fri Sep 29, 2023 10:49 pm
bringing out dust in nebula

Last post by Stuart « Wed Sep 27, 2023 5:43 pm
Replies: 1
by Mirrorgirl » Sun Sep 10, 2023 4:28 pm

First post

Hi there

I have took a image of the iris nebula but can't seem to bring out the dust has anybody got any ideas on this because i just can't seem to...

Last post

There are a few techniques to try and it depends on the image. What have you tried? Can you post your current result here?

1 Replies

43 Views

Last post by Stuart
Wed Sep 27, 2023 5:43 pm
Comet image processing. Opinion needed.

Last post by Jnicholes « Sun Sep 17, 2023 11:08 pm
Replies: 2
by Jnicholes » Sat Sep 16, 2023 10:12 pm

First post

I took this video with my new computer setup. Its me processing 32 pictures of comet C/2023 P1 Nishimura with Registax. Can someone please look at it...

Last post

Thanks for letting me know. Registax is all I’ve got right now, but I will try to get that program you mentioned.

I appreciate the input. At least I...

2 Replies

30 Views

Last post by Jnicholes
Sun Sep 17, 2023 11:08 pm
Anyone doing really long exposure times?

Last post by jrkirkham « Thu Sep 07, 2023 4:20 am
Replies: 15
by AstroBee » Sat Jul 15, 2023 9:47 pm

First post

My buddy Patrick regularly does 1800-second sub while shooting 3nm narrowband imaging. And he's not shooting with a really slow system. He just...

Last post

It looks like you managed to pull it off. I like the black and white.

15 Replies

314 Views

Last post by jrkirkham
Thu Sep 07, 2023 4:20 am
Focusing

Last post by UkDave « Wed Aug 30, 2023 8:14 am
Replies: 10
by Gordon » Sat Feb 11, 2023 7:42 pm

First post

Being I'm getting older, my eyesight is not as good as it was. Many times I find that I spend lots of time getting things focused to where they look...

Last post

I use autofocus in APT and refocus every 1.5 degrees change in temp or on filter change , I was using inverted method in Apt but switched to hfd for...

10 Replies

689 Views

Last post by UkDave
Wed Aug 30, 2023 8:14 am
Siril script star reduction via Starnet

Last post by UkDave « Wed Aug 30, 2023 6:48 am

by UkDave » Wed Aug 30, 2023 6:48 am

Deepspace astro on Youtube has written a script for siril that uses starnet, how to install Starnet in Siril this is a pixel math script by bill...

0 Replies

81 Views

Last post by UkDave
Wed Aug 30, 2023 6:48 am
How to despeckle in PI?

Last post by Jockinireland « Thu Aug 24, 2023 9:40 pm
Replies: 26
by SkyHiker » Sat Aug 19, 2023 6:56 pm
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First post

I have tried several processing options to remove the R G and B pixel-sized artifacts in the image below. In Gimp it is easy, just select despeckle...

Last post

Just to add a few bits from my experience with the asi 2600mc

I use darks, flat darks and flats.

My darks all show hot pixels when stretched. The...
26 Replies

357 Views

Last post by Jockinireland
Thu Aug 24, 2023 9:40 pm
LRGB Darks

Last post by chris_g « Tue Aug 22, 2023 5:47 pm
Replies: 10
by Graeme1858 » Mon Aug 21, 2023 2:17 pm

First post

As an LRGB newbie I came upon the issue of LRGB Dark frames. Who knew there had to be complete sets of LRGB dark frames! Flat frames yeah, that makes...

Last post

They're the same principle and set up with the same criteria but as Kathy points out, LRGB flat frames will probably have different exposures from...

10 Replies

118 Views

Last post by chris_g
Tue Aug 22, 2023 5:47 pm
How astrophotography has changed in the last 50 years.

Last post by Ylem « Sat Aug 19, 2023 2:35 am
Replies: 6
by KingClinton » Fri Aug 18, 2023 9:46 am

First post

Hi, found this interesting article and felt it's worth a share here.
Hope I posted this in the correct sub forum, if not, the mods can move it to the...

Last post

I had a darkroom back in the 70s, a lot of fun and frustration :)

6 Replies

128 Views

Last post by Ylem
Sat Aug 19, 2023 2:35 am
AI & processing question

Last post by Graeme1858 « Thu Jul 27, 2023 4:58 am
Replies: 1
by Chich » Thu Jul 27, 2023 1:15 am

First post

I have not been bitten by the astrophotography bug and am not up to speed whatsoever on the current state of processing but have a question. With all...

Last post

I came across this recently:

Trevor Astrobackyard had mixed results.

Graeme

1 Replies

87 Views

Last post by Graeme1858
Thu Jul 27, 2023 4:58 am
PI plate solving to correct distortions

Last post by SkyHiker « Fri Jul 14, 2023 8:59 pm
Replies: 2
by SkyHiker » Thu Jul 13, 2023 7:02 pm

First post

Being new to PI I looked through the WBPP log file to get an idea of what it is doing. One thing I noticed is that it is downloading Vizier star...

Last post

I meant to address how honest it is to use tools that use star catalogs to correct images and an AI library of images to make nebulosity and stars...

2 Replies

120 Views

Last post by SkyHiker
Fri Jul 14, 2023 8:59 pm
Hope and how to deal with a flashing light at 200 feet

Last post by Graeme1858 « Fri Jun 09, 2023 11:11 pm
Replies: 18
by chris_g » Sun May 14, 2023 4:11 am

First post

Hello all,

I have an opportunity to image under a class three sky. The only issue is there is a cell tower 600 feet away with a bright white hazard...

Last post

I'm looking forward to starting the setup of my permanent observatory. If everything goes well, that should happen around the 7th of next month....

18 Replies

732 Views

Last post by Graeme1858
Fri Jun 09, 2023 11:11 pm
StarNet2

Last post by Juno16 « Sat May 06, 2023 11:45 am
Replies: 17
by Juno16 » Tue Feb 01, 2022 2:07 am

First post

Just curious if anyone has tried Starnet2 yet? StarNet2 was released on 1/24/22.

A few months ago, I jumped from Starnet++ to StarXTerminator and...

Last post

I tried downloading starnet at but the website is not loading.
If anyone could share the file it would be a great help.
I need the standalone version...

17 Replies

4760 Views

Last post by Juno16
Sat May 06, 2023 11:45 am
Nikon RAW vs TIFF in DSS

Last post by modelsbynight « Thu Apr 06, 2023 6:14 am
Replies: 12
by modelsbynight » Mon Apr 03, 2023 9:54 pm

First post

Hi
I have Nikon Z7ii And when I use DSS to stack images I do get an error about LibRaw not supporting Z7ii raw files
also when I do a star count in...

Last post

@modelsbynight

I suggest that you make a quick post on the Official DeepSkyStacker Support Forum ( ).

You are running the absolute latest version...

12 Replies

677 Views

Last post by modelsbynight
Thu Apr 06, 2023 6:14 am
Adding RGB stars to a NB image

Last post by Stuart « Mon Apr 03, 2023 7:55 pm
Replies: 8
by umasscrew39 » Sun Feb 05, 2023 5:20 pm

First post

I've been trying several methods to add RGB stars to a narrowband image but I'm not pleased with any of them. More specifically, I want to add RGB...

Last post

I haven't watched Bill's video, and his will be smarter than this, but here is one way.

1) Create a star mask. You can do it with Star Xterminator...

8 Replies

678 Views

Last post by Stuart
Mon Apr 03, 2023 7:55 pm
Updated version of ColorMask for PixInsight

Last post by STEVE333 « Sat Mar 11, 2023 8:23 pm

by STEVE333 » Sat Mar 11, 2023 8:23 pm

The link below takes you to a post on the PixInsight forum. It discusses upgrades that have been added to the very useful ColorMask script. A...

0 Replies

286 Views

Last post by STEVE333
Sat Mar 11, 2023 8:23 pm
Using StarXTerminator and DBE for nasty gradients

Last post by Juno16 « Mon Feb 27, 2023 12:27 am
Replies: 3
by starfield » Sun Feb 26, 2023 6:59 pm

First post

Just found this neat DBE trick posted on YouTube by Adam Block. Video provides an overview of his website/tutorials, but the second half features a...

Last post

Thanks Steve,
I did see this video this week and enjoyed seeing this technique. Haven’t tried it yet, but will soon. Actually, I just might start...

3 Replies

360 Views

Last post by Juno16
Mon Feb 27, 2023 12:27 am
The Philosophy of Processing

Last post by Greenman « Tue Feb 21, 2023 11:12 am
Replies: 19
by Greenman » Tue Aug 23, 2022 1:13 pm

First post

Well, my philosophy follows. I thought I would always go for the most 'true' or accurate respresentation of a target. This was a inaccurate idea, all...

Last post

Hi Pete,
The main thing is that people are looking up and realising the vastness of it all. Nature is a very powerful force and I find it very...

19 Replies

1501 Views

Last post by Greenman
Tue Feb 21, 2023 11:12 am
Creating master calibration photos using PixInsight

Last post by STEVE333 « Mon Feb 20, 2023 6:07 pm
Replies: 3
by Kerry C. » Sat Feb 18, 2023 10:49 pm

First post

I hope I can get what is in my mind through my finger tips in an understandable manor as I type this question.
I have used master calibration frames,...

Last post

Hi Kerry - You only save the calibration frame. The rejection high and low frames are only for your information. They aren't used in the actual...

3 Replies

357 Views

Last post by STEVE333
Mon Feb 20, 2023 6:07 pm
APP settings for PI?

Last post by Petrol « Mon Jan 30, 2023 10:41 pm
Replies: 1
by Larry 1969 » Tue Aug 16, 2022 10:29 pm

First post

Hello everyone,
I've recently purchased Pixinsight and it's quite unintuitive, so I'd like to stick with APP for stacking for the meantime.
Right...

Last post

I don't have APP so I can't answer your question. What I would say though is I have also recently purchased Pixinsight and struggled with it. One of...

1 Replies

463 Views

Last post by Petrol
Mon Jan 30, 2023 10:41 pm
Video on BlurXterminator with Russ Croman and Adam Block

Last post by Gmetric « Tue Jan 24, 2023 3:52 pm

by Gmetric » Tue Jan 24, 2023 3:52 pm

0 Replies

282 Views

Last post by Gmetric
Tue Jan 24, 2023 3:52 pm

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