PixInsight Tutorials
ASTROPHOTOGRAPHY PROCESSING TUTORIALS
Preprocessing & Stacking33
Processing Comets in PixInsight (Part 2): Comet Tsuchinshan at 1000mm
Processing Comets in PixInsight (Part 1): Comet Tsuchinshan at 135mm Short Focal Length
Blind Solver: A Blind Plate-Solving Script for PixInsight
FBPP: A Fast Preprocessing Script for Beginners
Removing CCD Defect Columns: DefectMap and CosmeticCorrection
How to Speed Up WBPP: Turning Off the Time-Consuming Options
Does Stacking Software Matter? A Test and a Poll
PhotometricMosaic: The Mosaic Stitching Script
FastIntegration: Registering and Integrating Large Numbers of Frames
What to Watch For When Accumulating the Same Target Over Multiple Nights
Lunar Stacking: Applying FFTRegistration
Only Two Frames: How to Integrate with PixelMath
Debayering: Choosing an Algorithm and Handling Special Sensors
Image Weighting for Integration: Comparing NSG, PSF Signal Weight, and APP
Shooting a Total Lunar Eclipse With a Mono Camera: Manual RGB Alignment and Integration
Manual Preprocessing: What to Do Without WBPP
WBPP Troubleshooting: Common Errors and Known Bugs
NSG (Normalize Scale Gradient): Its Purpose and Benefits
Color-Camera Images: Comparing CFA Split and Debayering
Chromatic Star Dispersion: Separating and Registering RGB Channels to Fix It
Comet Image Processing: A General Guide to Alignment, Star Removal, and Compositing
Common Myths About Integration Rejection Algorithms
The First Step in Learning PixInsight: Blink, WBPP and ImageIntegration
Normalization and Weighting in Integration: NSG and the Reference Image
Removing Satellite Trails Even With Few Frames: Don't Rush to Delete the Whole Frame
The Standard PixInsight Preprocessing Workflow
The Complete WBPP Guide: Interface, Master Calibration Frames, and the Execution Pipeline
Defect Handling: Defect Columns, Hot/Cold Pixels, Dust, and Hot Pixel Noise
Integration Rejection: Choosing an Algorithm and Reading the Rejection Map
Image Selection: Getting It Right With Blink and SubframeSelector
Undersampling, Oversampling, and Drizzle
Field-Center Offset and Integration Seams
Calibration Frames in Practice: Getting Lights, Darks, Flats, and Bias Right
Linear Stage18
The MARS All-Sky Reference Database
MGC, SPFC and MARS: A Look at the New Gradient-Correction Tools
Removing Light-Pollution Gradients: ABE, DBE, Gradient Correction, and GraXpert
BlurXTerminator 2.0 AI4: Optical Aberration Correction, Tested
A Non-Standard Use of BlurXTerminator: Removing Chromatic Halos Around Stars
How the Application Strategy Differs Between BXT and Traditional Deconvolution
Getting Started with BlurXTerminator: A Guide and Field Notes
AI Noise Reduction Tools: NXT, DeepSNR, and Their Friends
Background Gradient Correction: ABE, DBE, GC, and GraXpert
Why Use DBE?
Where Does a Galaxy's Diffuse Gas Come From? On Why Linear Processing Matters
Deconvolution Basics: PSF, Deringing, and Masks
Three Commonly Used Classic Denoise Tools: MureDenoise, MLT, TGVDenoise
Color Calibration in the Linear Stage: From PCC to SPCC
An Overview of the PixInsight Linear-Stage Workflow
DBE Background Extraction: Dark Rings, Glow, Light Gradients, and Sample Points
PCC/SPCC and Plate Solving Troubleshooting
Deconvolution: Masks, PSF, and Star Repair (A Historical Look)
Stretching & Nonlinear22
Stretching with Multiscale Adaptive Stretch (MAS)
A Workflow for Stretching and Luminance Processing of Galaxy Images
Does Using AI Mean You No Longer Need Masks? Starting from the Star Artifacts NXT Causes
Concepts and Tools for Nonlinear Stretching: The Histogram and GHS
Getting to Know the Generalized Hyperbolic Stretch (GHS)
Processing Bright Stars: Deneb as an Example
The Key to Advancing: Masks
How to Batch-Remove Stars: Using ImageContainer
Processing the Galaxy Core: Compressing Dynamic Range with HDRMT
When You Need a Mask: Keeping Bright Stars from Blowing Out During a Stretch
Star Artifacts: Hard Edges and Star Damage
Enhancing One-Shot Color Images with a Dual-Band Filter
SCNR Green Removal and Star-Color Protection
Understanding STF Screen Stretch: Concepts and Techniques
Overall Workflow Diagrams for Galaxies and Nebulae
HDR Dynamic Range Compression: HDRMT and iHDR
Making a Nebula Mask: Two Approaches with MLT and StarNet
Understanding the Linear and Nonlinear States of an Image
Making and Applying Masks in PixInsight
Star Reduction and Star Handling: The Evolution of Methods and a PixelMath Workflow
Luminance and LRGB: Extraction, Combination, and RGB Working Space
Star Removal Tools: Comparison and Troubleshooting, from StarNet to StarXTerminator
Color Management10
Adding Hα to a Galaxy Image: Enhancing HII Regions
The Real Reason One-Shot Color Images Look Green: Quantum Efficiency, Not the Bayer Ratio
Normalizing Signal Strength Across Narrowband Channels
RGBWorkingSpace (RGBWS): Principles and Applications
What Is False Color
The Difference Between ChannelCombination and LRGBCombination
Why My LRGB Has No Color: The Correct Way to Use LRGBCombination
Color Management for Astro Images: Why You Should Take It Seriously
Monitor Color Management and Calibration: Not Just Tweaking a Display Mode
Narrowband Color: SHO Palettes and Common Color-Mapping Scripts
Astro Post-Processing in PS7
How Blend Modes Work, and Layer-Style Operations in PixInsight
Photoshop Retouching: Halos and Blue Rings Around Bright Stars
The 'Star Separation Technique': When to Use It Correctly, and Common Fallacies
Nebula Masks: Two Approaches in Photoshop and PixInsight
PixInsight × Photoshop Hybrid Workflow
Photoshop Masks Series: Highlights, Objects, and Alpha Channels
Photoshop's Compatibility Problems With 32-Bit Images
Tools & Hardware23
Restoring PixInsight's Use of Filenames as Image IDs
PixInsight 1.9.3 Known Issues and Fixes (Windows / macOS / Linux)
Enabling Multithreaded Acceleration in PixInsight 1.9.3
XISF Librator: Open XISF Files Without PixInsight
Plate Solving and Annotating Celestial Objects
Running Multiple PixInsight Instances on Windows
PixInsight Version Updates: Interface and Repository Features
AI Denoise Comparison: NoiseXTerminator, Photoshop, Lightroom
Using Process Explorer to Manage Your Go-To Processes
How to Do Software Pixel Binning
The Difference Between ZWO and QHY Binning, and How Software Pixel Binning Works
PixInsight GPU Acceleration: CUDA Setup and Performance Benchmarks
Hands-On Impressions of the Free Software Siril
Star Removal Tool Comparison: StarNet++, StarXTerminator, APP
Mono vs. Color Camera: A Trade-off from the Image-Processing Angle
What the Six Buttons at the Bottom-Left of a PixInsight Process Window Mean
Recommended Books for Astrophotography Post-Processing
How to Choose Post-Processing Software: Prices and Usage Distribution of Common Programs
Astro Pixel Processor: Hands-On Impressions and Update History
Preserving Your PixInsight Processing History with Projects and XISF
Beginner Resources and Applying for a PixInsight Trial
Handy Little Tools and Scripts in PixInsight
