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Multi-Camera Final Refinements in Affinity Photo: NGC 6744 Processing
Multi-Camera Final Refinements in Affinity Photo: NGC 6744 Processing
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Post-Processing Multi-Camera Data in PixInsight - NGC 6744
Post-Processing Multi-Camera Data in PixInsight - NGC 6744
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In this follow-up to the stacking multi-camera data tutorial of NGC 6744, Telescope Live tutor Nik Szymanek expands on the dataset integration process, moving from Astro Pixel Processor (APP) to PixInsight for advanced image refinement. Key steps include:
Finalizing Stacking and RGB Combination in APP:
- Integrate all CCD and CMOS frames to produce high-quality LRGB masters.
- Use Multiband Blending (MBB) to seamlessly merge different datasets.
Processing in PixInsight:
- Crop Luminance and RGB images to a uniform size using Dynamic Crop.
- Apply BlurXTerminator to enhance detail through deconvolution.
- Use Gradient Correction to remove residual sky gradients.
Noise Reduction and Image Scaling:
- Utilize NoiseXTerminator AI3 for effective noise suppression with real-time previews.
- Adjust histogram settings to control brightness and preserve background details.
This tutorial sets the stage for the final enhancements in Affinity Photo, covered in the next tutorial.
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Our tutors
Masters of PixInsight
Join MoP's team for streamlined PixInsight expertise, ensuring clarity and simplicity.
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Peter Jenkins
Amateur Astrophotographer & Fellow of the Royal Astronomical Society specialising in Nebulae mostly presented using the Hubble Palette
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James Ritson
UK-based photographer and image retoucher working with Affinity Photo
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Warren Keller
A US-based, multi-APOD imager and author with over twenty years' experience.
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Damian Peach
A multi-award winning astrophotographer with over 25yrs experience.
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Bernard Miller
A US-based, multi-APOD astrophotographer with over twelve years of experience in deep sky imaging
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Mark Johnston
I have been fascinated by the night sky since I ‘discovered’ Saturn with my 60mm refractor at the age of 10. An APOD-winning astrophotographer, I have been published in Sky & Telescope, Astronomy Magazine, and Space.com. As a NASA Solar System Ambassador, I have conducted thousands of public outreach programs and am a registered cruise ship speaker on astronomy and space science, as well as a Director of the Phoenix Astronomical Society. I frequently post astrophotography images, news, and tutorials on social media. My solar imaging and videos are particularly popular, and I have conducted extensive research on solar cameras and solar image processing techniques.
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Alexander Curry
European based amateur astrophotographer, Co-Founder of Telescope Live and Fellow of the Royal Astronomical Society
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Jarmo Ruuth
Amateur astrophotographer, author of AutoIntegrate and Astro Mosaic.
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Ryan Voykin
US Based Amateur Astrophotographer and Creator of the YouTube Channel DarkRangersInc.
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Mustafa Aydın
An astrophotographer with 8+ years of experience and an almost lifelong background in general photography.
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Adam Block
FastTrack your understanding of the HOW and WHY of astronomical image processing with renowned Adam Block.
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Stellar Xperiences
Three astrophotographers with 30 years’ combined experience in photography and 20 years’ experience in astronomy.
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Generalized Hyperbolic Stretch - An Improved Way to Stretch Your Images in Pixinsight
Generalized Hyperbolic Stretch - An Improved Way to Stretch Your Images in Pixinsight
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Generalized Hyperbolic Stretch or GHS is a Pixinsight script designed to give you a new and improved approach to stretching your astrophotography images in Pixinsight. Adam Block will cover installing the script & module, the basics of the interface, the core principles of GHS, and the several use cases for this script.
To install GHS, follow the instructions below:
1) From within Pixinsight, go to: Resources > Updates > Manage Repositories
2) In the Manage Update Repositories dialog, click the Add button
3) In the URL box, type the GHS repository information as follows: https://www.ghsastro.co.uk/updates/
4) In the Add Pixinsight Repository dialog, click the OK button
5) In the Manage Update Repositories dialog, click the OK button
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StarXterminator and Affinity Photo
StarXterminator and Affinity Photo
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In this tutorial, Nik Szymanek walks us through the StarXterminator plugin in Affinity Photo
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Mastering H-alpha Contrast - Guide to PixInsight's Continuum Subtraction Script
Discover how to use the Continuum Subtraction Script in PixInsight with Masters of Pixinsight Co-Founder Ron Brecher. In this tutorial, Ron shows you how to install the script and apply it to your images. The Continuum Subtraction Script removes non-H-alpha red wavelengths from H-alpha images, significantly enhancing contrast and revealing fine details. Ron walks through selecting the H-alpha and red views, adjusting settings to avoid over-subtraction, and fine-tuning for optimal results.
This script is especially useful for highlighting H-alpha regions in broadband objects like spiral galaxies. Examples include popular targets such as M33, M31, and NGC 6946. Additionally, Ron shares tips on using the script with oxygen and sulphur channels to further refine images.
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Creating High SNR Synthetic Luminance in PixInsight
This tutorial by MoP Co-Founder and award winning astrophotographer Ron Brecher is introducing a new approach for creating synthetic luminances in Pixinsight. Ron will show you how to use your existing HaLRGB data (and the processes that must be applied beforehand) in order to create a synthetic luminance that out-performs low-integration luminance data. This method is particularly useful to allow you to prioritise colour data acquisition and still create a high SNR luminance dataset. This method uses only the processes within Pixinsight although external scripts and plugins can also be used to speed up certain processes.
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Animating the Sun - Batch Processing for Solar Animations
Join NASA Solar System Ambassador and Telescope Live Tutor Mark Johnston as he will guide you through a unique process in astrophotography, Solar Animations. Solar animations are one of the most creative and captivating astrophotography media that you can create showing the movement and often explosive nature of our sun. This tutorial will build on the post-processing tutorials that Mark has already presented and using these skills Mark will show you the required batching and alignment procedures that you need in order to create stunning animations of the sun.
This tutorial will cover the processing in ImPPG, sharpening in Topaz Labs, refinement in Affinity Photo and finally the animation creation using PIPP and a video editor.
We recommend watching Mark's previous tutorials as they will cover all the processing skills that you need for creating the animation panes.
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Advanced Masking and Isolation in Photoshop
NASA APOD winner and Telescope Live Tutor Bernard Miller will guide you through several advanced techniques that will allow you to selectively sharpen, colour and isolate features within your astrophotography images using Photoshop.
These techniques will require some understanding of Photoshop layers and the various tools that are associated with the process you want to apply. Bernard will show you how to use a variety of masking techniques based on selective colour, luminosity and feature selection in order to apply these processes.