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James Ritson
UK-based photographer and image retoucher working with Affinity Photo
  • Astrophotographer
  • Tutor
Peter Jenkins
Amateur Astrophotographer & Fellow of the Royal Astronomical Society specialising in Nebulae mostly presented using the Hubble Palette
  • Astrophotographer
  • Tutor
Warren Keller
A US-based, multi-APOD imager and author with over twenty years' experience.
  • Astrophotographer
  • Tutor
Masters of PixInsight
Join MoP's team for streamlined PixInsight expertise, ensuring clarity and simplicity.
  • Tutor
Stellar Xperiences
Three astrophotographers with 30 years’ combined experience in photography and 20 years’ experience in astronomy.
  • Editor
  • Tutor
Adam Block
FastTrack your understanding of the HOW and WHY of astronomical image processing with renowned Adam Block.
  • Astrophotographer
  • Tutor
Nik Szymanek
UK-based Astro-imager and deep sky image processing tutor
  • Astrophotographer
  • Tutor
Alexander Curry
European based amateur astrophotographer, Co-Founder of Telescope Live and Fellow of the Royal Astronomical Society
  • Astrophotographer
  • Editor
  • Tutor
Mustafa Aydın
An astrophotographer with 8+ years of experience and an almost lifelong background in general photography.
  • Astrophotographer
  • Tutor
Jarmo Ruuth
Amateur astrophotographer, author of AutoIntegrate and Astro Mosaic.
  • Astrophotographer
  • Tutor
Telescope Live
This is the official profile of Telescope Live
  • Editor
  • Tutor
Bernard Miller
A US-based, multi-APOD astrophotographer with over twelve years of experience in deep sky imaging
  • Astrophotographer
  • Tutor
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.
  • Astrophotographer
  • Tutor
Affinity Photo
Serif, developers of the award-winning Affinity Photo
  • Tutor
Damian Peach
A multi-award winning astrophotographer with over 25yrs experience.
  • Astrophotographer
  • Tutor
Ryan Voykin
US Based Amateur Astrophotographer and Creator of the YouTube Channel DarkRangersInc.
  • Astrophotographer
  • Tutor

All Tutorials

MoP Narrowband Normalization
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Exploring Pixinsight Narrowband Normalization Techniques

In this tutorial, Warren Keller, Co-Founder of Masters of PixInsight, dives into various methods of narrowband normalization to balance the brightness levels of SII, Ha and OIII in the Hubble Palette (SHO). Warren walks you through three key techniques for achieving great color balance in your narrowband images: Method 1: Warren Keller’s Simple Approach Learn how to unlink channels in PixInsight’s Screen Transfer Function (STF) for better color balance, reducing the dominant green hue from Hydrogen Alpha. Method 2: Linear Fit Explore the Linear Fit process to normalize channels, using O3 as the reference image to achieve balanced colors across S2, HA, and O3. Method 3: Bill Blanshan’s Pixel Math Method Discover Bill Blanshan’s pixel math expression for narrowband normalization, using offset scaling to match O3 and S2 to the HA signal. Each method offers a different approach to achieving more balanced colors in your narrowband astrophotography, providing flexibility based on your workflow and desired outcome.
MoP ColorMask
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Isolating Colors in PixInsight with the ColorMask Process

In this tutorial, Ron Brecher, Co-Founder of Masters of PixInsight, introduces the powerful ColorMask process in PixInsight. This process, though not included in the standard PixInsight installation, allows for precise control over color adjustments in your astronomical images. Ron walks you through the following steps: Installing the ColorMask Process: -Learn how to add the necessary repository and install the ColorMask process from the PixInsight forum. Using ColorMask to Target Specific Hues: -Explore multiple methods to select hues, including clicking on the color wheel, manually entering values, or selecting directly from the image. -Understand how to adjust hue range, chrominance, and lightness to refine your color mask. Applying and Modifying the Mask: -Apply the mask to your image and make adjustments using tools like curves to enhance specific colors. -Learn how to control mask strength and blur to achieve the desired effect.
SIRIL Manual Stacking
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Comprehensive Manual Pre-Processing in SIRIL

In this detailed tutorial series, Telescope Live Co-Founder Alexander Curry walks you through the process of manually pre-processing astronomical data in SIRIL. Alex provides an in-depth guide for pre-processing and stacking data using manual techniques, perfect for situations where standard scripts may not apply. This tutorial looks at a narrowband dataset, however this workflow can be applied to any dataset. The tutorial is divided into three focused parts: Part 1: Manual Pre-Processing Setup -Learn how to set up symbolic links for your data sequences. -Start by organizing and preparing H-alpha and OIII data for manual processing. Part 2: Calibration, Registration, and Data Analysis -Dive into manual calibration and global star alignment for accurate data registration. -Analyze your dataset for any frames that may need exclusion based on full-width at half-maximum (FWHM) readings. Part 3: Stacking, Compositing, and Final Alignment -Perform manual stacking using advanced algorithms. -Create an RGB composite and ensure proper RGB channel alignment for your final image. Alex’s clear and methodical approach ensures that you can confidently apply these techniques to produce stunning astrophotography results, even when standard workflows fall short.
PJ M51 PS
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Mastering Broadband: A Comprehensive Photoshop Processing Guide

In this three-part tutorial series, Telescope Live tutor Peter Jenkins walks you through the entire process of enhancing the M51 galaxy using only Photoshop (data stacked in a free software - Deep Sky Stacker). Each part focuses on a crucial aspect of the workflow: Part 1: Stretching and Cropping Basics -Learn how to stretch, crop, and adjust the levels of the RGB and luminosity images. -Set up a consistent crop across all image files. Part 2: Color Balancing and Sharpening -Fine-tune color balances to match the RGB channels. -Apply sharpening techniques and use a layer mask for selective sharpening. Part 3: Integrating Luminosity and Final Adjustments -Integrate the luminosity layer to enhance detail. -Perform advanced color corrections and final adjustments to bring out the galaxy's intricate details. This series will equip you with the workflow to process any galaxy using Photoshop alone, however, this tutorial will also give you the necessary tools to process any other broadband dataset with ease.