IP4AP Series Content 

What's topics are covered in each of our series?

The links below will take you to each a table of contents for each series. You'll get a better idea of what we have to offer. You can also view selected tutorials from each series using the Preview Page link provided. 

Content Quick Links

PixInsight Foundations Part-1 

Primer-1 Philosophy, Introduction to the User Interface, PI Community, Automatic Updates, Global Preferences, Toolbars, Explorer Windows, Menus 7:22min

Primer-2 The User Interface continued- Explorer Windows, Tool Bars, Overall functionality 7:34min

Primer-3 The User Interface continued- the Screen Transfer Function, New Instances 6:47min

Primer-4 The User Interface continued- Processes, Previews, Real Time Previews, Intro to Masks 6:59min

Primer-5 The User Interface continued- More Masks, the Process Container, the Image Container 6:54min

PI-6 Stack-1 Using the new Batch Preprocessing script to Calibrate, Register and Integrate images into Master Files 4:57min

PI-7 Stack-2 Using the new Batch Preprocessing script continued 5:30min

PI-8 Stack-3 Using the new Batch Preprocessing script continued, including Debayering and CosmeticCorrection 6:33min

PI-9 Stack-4 Using the new Batch Preprocessing script continued, a simple, automatic, OSC run is detailed 5:04min

PI-10 Stack-5 Using the new Batch Preprocessing script continued, a manual, monochromatic approach is detailed 4:15min

PI-11 Stack-6 The ImageIntegration Process for Light Frames 5:50min

PI-12 Stack-7 The ImageIntegration process for Bias, Dark, and Flat Masters. The ImageCalibration process is introduced for preparing Flat frames for stacking. 6:00min

PI-13 Stack-8 The ImageIntegration process for Light frames. The Batch Debayer Script and StarAlignment are also covered, concluding our 8-part miniseries on stacking with PI. 6:22min

PI-14 Linear-1 Postprocessing in the linear state. The DynamicCrop, FastRotation, ChannelCombination, and ChannelExtraction processes are introduced. 7:22min

PI-15 Linear-2 Alternate method of Lightness extraction, splitting of RGB, and LRGB combination; and the application of a History state to an image are shown. Background extraction is also introduced. 5:47min

PI-16 Linear-3 The AutomaticBackgroundExtractor (ABE) and its affect on Additive and Multiplicative gradients. 5:17min

PI-17 Linear-4 The DynamicBackgroundExtraction process (DBE) and its affect on Additive and Multiplicative gradients. Automatic sample generation for less challenging fields is the focus. 6:50min

PI-18 Linear-5 The DynamicBackgroundExtraction process for complex nebular fields, and extreme light pollution, Manual samples, Symmetries; and the BackgroundNeutralization process are covered. 8:32min

PI-19 Linear-6 The ColorCalibration process for accurate color balance. PixInsight's 'agnostic' color philosophy and three calibration modes are covered. 5:37min

PI-20 Linear-7 The Deconvolution Process is covered- the Regularized Richardson-Lucy algorithm, PSF tabs, ideal Iterations, Deringing, and Wavelet Regularization. 8:13min

PI-21 Linear-8 The Deconvolution Process continued. The External PSF tab, Dynamic PSF, StarMask deringing support image, Range Masks, and some recommended settings. 8:32min

PI-22 Wrap-Up Final thoughts and recommendations. Topics to be covered in PixInsight Part-2, and what can be expected in PixInsight's future. 5:12min


PixInsight Foundations Part-2 

PI-1 Linear-1 Noise reduction in the linear state. Introduction to Wavelets, the ExtractWaveletLayers script and the ATrousWaveletTransform process are introduced. 5:49min

PI-2 Linear-2 Noise reduction in the linear state continues with the ATrousWaveletTransform process. PixelMath is introduced. 5:49min

PI-3 Linear-3 The essentials of Nonlinear Stretching. The DigitalDevelopment process is detailed. 5:15min

PI-4 Linear-4 IntensityTransformations. Nonlinear stretching continues with the AutoHistogram and AdaptiveStretch processes. 5:58 min

PI-5 Linear-5 IntensityTransformations continue with more on AdaptiveStretch, and the HistogramTransformation process is introduced. 7:02min

PI-6 Linear-6 IntensityTransformations continue with more on the very powerful HistogramTransformation- PI's primary tool for nonlinear stretching. 6:57min

PI-7 Nonlinear-1 IntensityTransformations continue with the CurvesTransformation process, and LocalHistogramEqualization is introduced. 6:00min

PI-8 Nonlinear-2 IntensityTransformations continue with LocalHistogramEqualization. The ExponentialTransformation process is also introduced. 6:28min

PI-9 Nonlinear-3 Latest 1.8 Ripley revision, L* correction  w/ LinearFit, ChannelExtraction, and ChannelCombination, LRGBCombination of monochromatic Luminance and Chrominance, Chrominance Noise Reduction 7:03min

PI-10 Nonlinear-4 Noise Reduction with the MultiscaleMedianTransform and Adaptive Contrast-Driven Noise Reduction (ACDNR) processes are detailed. 6:59min

PI-11 Nonlinear-5 Noise Reduction continues with ACDNR. Edge and Star Protection, and the Lightness Mask are covered. 4:40min

PI-12 Nonlinear-6 Noise Reduction with ACDNR continues. GREYCstoration and the brand new TGVDenoise are introduced. 4:37min

PI-13 Nonlinear-7 The new TGVDenoise process is profiled. 7:31min

PI-14 Nonlinear-8 Noise Reduction tools are wrapped up with SCNR. 3:22min

PI-15 Nonlinear-9 The HDRMultiscaleTransform process is profiled. Compress images with higher dynamic ranges and develop amazing detail with the push of a button! 5:38min

PI-16 Nonlinear-10 Both the GradientHDRCompression process, and the DarkStructureEnhance script are profiled. 6:54min

PI-17 Nonlinear-11 ATrousWavelet and MultiscaleMedian transforms for sharpening and enhancement are profiled. The UnsharpMask process is introduced. 5:10min

PI-18 Nonlinear-12 We continue with layer-based sharpening and enhancement using ATrousWavelet and MultiscaleMedian transforms. 4:16min

PI-19 Nonlinear-13 The UnsharpMask process for image enhancement is detailed. Also demonstrated is the Annotation text tool. 5:02min

PI-20 Nonlinear-14 Painting continues with the CloneStamp process for repair and alteration of images and masks. 5:17min

PI-21 Nonlinear-15 The MorphologicalTransformation process is introduced for the improvement of stars. 4:03min

PI-22 Nonlinear-16 Introduces the ColorSaturation process for selective color adjustments, and digs deeper into CurvesTransformation's Saturation channel. 5:17min

PI-23 Nonlinear-17 Color Profiling- The ICCProfileTransformation process is introduced for converting aRGB to the sRGB color space.  The ColorManagementSetup is also reviewed. 3:40min

PI-24 Nonlinear-18 The Resample process for resizing images is profiled. Also covered is the Save As dialog for altering file format and bit-depth. 6:02min

PI-25 Addendum-1 Featured are the STF's new Boosted Stretch, and the exciting, new MaskedStretch process. 6:51min

PI-26 Addendum-2 The DynamicAlignment, and Blink processes are detailed. Also covered is an alternate way to open the program. 5:42min

PI-27 Wrap-Up We look ahead to Part-3 of the PixInsight Series from IP4AP.com. 2:36min


PixInsight Foundations Part-3 

PI-0 Introduction to PixInsight Part-3 Advanced topics and special features. 2:54min

PI-1 Recap-1 offers a Step-by-Step Review of what we've learned in PixInsight Part-1 and Part-2, further providing the 'what to do and when to do it' for your PI workflow. One-Shot-Color procedures are demonstrated. Monochromatic imagers will benefit from this as well. 6:03min

PI-2 Recap-2 offers a Step-by-Step Review of what we've learned in PixInsight Part-1 and Part-2, further providing the 'what to do and when to do it' for your PI workflow. Monochrome procedures are demonstrated. 5:00min

PI-3 Recap-3 completes our Step-by-Step Review of what we've learned in PixInsight Part-1 and Part-2. The second half of Monochrome workflow is demonstrated. 4:44min

PI-4 HDR Composition details the HDRComposition and GradientHDRComposition processes for combining exposures of different lengths, to preserve high dynamic range detail. 4:03min

PI-5 Mosaics-1 begins our 6-part miniseries on mosaic construction. 4:31min

PI-6 Mosaics-2 features the construction of a 2-panel mosaic. The StarAlignment process is profiled. 3:46min

PI-7 Mosaics-3 continues with the construction of our 2-panel mosaic. The GradientMergeMosaic process for seamless mosaic stitching is introduced. 4:18min

PI-8 Mosaics-4 begins the construction of a 4-panel monochromatic mosaic template. StarAlignment's Restrict to Previews, and registration confirmation with a mask are covered. 7:24min

PI-9 Mosaics-5 continues the construction of a 4-panel monochromatic mosaic. Alignment of individual panels to the template created in PI-8 is detailed. Three different approaches are featured. 6:25min

PI-10 Mosaics-6 concludes our 6-part mosaic miniseries. Three different paths for GradientMergeMosaic are shown, and a quick recap brings context and chronology to mosaic procedures. 2:41min

PI-11 Star Masks-1 provides a more in-depth look at star mask creation for advanced image processing. 7:13min

PI-12 Star Masks-2 profiles ATrousWaveletTransform for the creation of star masks. Alteration and repair of star masks, as well as useful tricks are detailed. The Convolution process is also introduced. 4:56min

PI-13 Multiscale-1 introduces bona fide multiscale processing with PixInsight. We demonstrate the deconstruction of an image into varied scales, and how to recombine them when work is complete. 4:01min

PI-14 Multiscale-2 concludes our two-part miniseries on advanced multiscale processing techniques with PixInsight. With an image deconstructed into small and large scales, we draw out faint nebulosity and sharpen detail before reassembling the image. 5:31min

PI-15 Narrowband-1 begins our 6-part miniseries on Narrowband image processing. After an introduction to the major palettes, we use PixelMath, LRGBCombination, and ChannelCombination, to assemble Ha, OIII, and SII images into a Master file. 5:12min

PI-16 Narrowband-2 demonstrates the power of Scripts for assembling Ha, OIII, and SII images into a Master file. Multichannel Synthesis's SHO-AIP script is introduced. Also shown is the creation of Narrowband pseudo-luminance. 5:05min

PI-17 Narrowband-3 addresses Narrowband stars. Repair, replace, or remove them for different effects. 3:22min

PI-18 Narrowband-4 returns to PixInsight scripts to combine Narrowband data with (L)RGB. We revisit SHO-AIP and introduce the HaRVB-AIP and NBRGB scripts. 5:08min

PI-19 Narrowband-5 returns to processes for blending Narrowband data with (L)RGB. Demonstrated is a special technique by the PTeam's Vicent Peris for blending Hydrogen alpha and Luminance. 2:44min

PI-20 Narrowband-6 concludes our 6-part miniseries on Narrowband image processing. Hydrogen alpha and Oxygen 3 are selectively blended to an (L)RGB's chrominance using masks and PixelMath. 4:25 min

PI-21 Superbias details the new Superbias process for noise-free calibration with improved modeling of your camera's bias signal. Also introduced is the new 24-bit LUT visualization feature. 3:14min

PI-22 Drizzle introduces the new DrizzleIntegration process, for implementing the Variable-Pixel Linear Reconstruction algorithm on undersampled data. 4:22min

PI-23 CometAlignment shows you how to have the best of both worlds- an untrailed comet, and round stars! 4:42min

PI-24 Preprocessing Update brings you up to speed with recent additions to both the ImageIntegration and ImageRegistration processes. 2:20min

PI-25 Scripts Redux covers additional scripts worthy of note. BatchFormatConversion, BatchLinearFit, FWHMEccentricity, SubframeSelector, CanonBandingReduction, FITS Keywords, and FITSFileManager scripts, Feature Scripts, and Global Reset are profiled. 5:40min


PI-26 Wrap-Up concludes the three-part PixInsight series from IP4AP.com. Acknowledgements, Additional Resources, Special Features, and a look into the future of PixInsight, as well as IP4AP are covered. 6:13min



PixInsight Reloaded 

New Instance and Reset- Demonstrates a couple of minor features new to version 1.8.5. You can now more easily run a second instance of the program! You can also globally reset your settings in a revised way. 1:01min

Performance- Enhance the performance of your computer when processing with PI. 2:04min

SubframeSelector- A brand new process, which supersedes the older script version. New SFS is much faster and more flexible- get to know it! 11:09min

(Download the Expression called out in this tutorial at the 8:05min mark)

GAME Script 2020- Is the latest version of Hartmut Bornemann's mask editing script with an extremely significant new addition, rendering advanced mask making a breeze! 2:58min

MultiscaleLinearTransform (MLT)- PI's latest and greatest wavelets-based process is here. Replacing ATrousWaveletTransform, and to some extent,

MultiscaleMedianTransform, MLT is perfect for linear noise reduction and includes a terrific, internal mask feature. MLT is also excellent for nonlinear sharpening. 5:20 min

Copy STF- Lets you transfer an Auto Stretch from one image to another. 0.53min

Dynamic PSF- Refine your understanding of the process to generate a more accurate synthetic PSF for Deconvolution's External PSF tab. 2:37min

Debayer- Has been improved with batch capability, and one additional convenience for DSLR users. 1:05min

DefectMap Star Removal Does a better job of removing stars than does Starnet++! We owe this fantastic yet simple technique to PI user, Jeremy Scheere. 2:24min

WriteJPEG Script- Instantly produces a nonlinear, high-res JPEG from a linear XISF, FITS, or TIFF. 1:10min

Extensible Image Serialization Format- PixInsight's new default image file format deprecates FITS. 3:24min

History Explorer Image Origin- This brief tutorial reveals a little known but useful feature of the History Explorer. Now, you can view and revisit the process that created masks, etc. 1:21min

Drag and Drop- Demonstrates a couple of new drag and drop options in the interface. 0:48min

Reset Previews- Did you know that applying a process to a preview overwrites the previous application? 2:03min

Apply Processes- Expedite your workflow using keyboard shortcuts. 1:11min

PixInsight Version 1.8.8-7- Details a few of the more significant improvements to PI's latest release. 2:59min

File Explorer Window- This window is a nice way of navigating to the files on your drive(s), while providing useful information about them. 1:06min

Zoom and Pan- Here are a few helpful hints for navigating in an image window with zoom and pan controls. 1:49min

Process Console Delay- A couple of handy tips on the Process Console 1:23min

Project Compression- Save significant disk space when saving projects 1:11min

StarAlignment Star Detection- What to do when the process fails to find a sufficient number of stars for successful registration. 1:48min

BPP Save Process Log- This brand-new feature lets you generate a text file, detailing all of the steps performed by the BatchPreprocessing script. 0:48min

BPP Custom Groups- Two minutes of pure dynamite for users of the BatchPreprocessing script. Calibrate disparate image sets in a single run using Add Custom. 2:04min

BPP- 'Calibrate Using Flat Darks Only'- Highlights a special, newer feature of the BPP script, which may benefit some CMOS users. 10:59min

LDD and LPS Scripts- Are a fix for vertical defects, common in CCD sensors. They can do an even better job than CosmeticCorrection's Defect List feature. 6:13min

Large-Scale Pixel Rejection- A breakthrough addition to the ImageIntegration process. Use this powerful new feature to more effectively eliminate satellite and asteroid trails. 2:49min

LocalNormalization- A brand new process, to normalize the background variations between subexposures. While ImageIntegration does this based upon an image to image comparison, LocalNormalization (LN) can do it on a pixel to pixel level! Adding LN to your workflow could result in even better masters than before. 4:35min

Bayer Drizzle- Now, increase the apparent resolution of your One-Shot Color data using the BPP script, ImageIntegration, and DrizzleIntegration. As with monochromatic data, the inherent data must be of low resolution (i.e. undersampled and also dithered) to benefit from Bayer Drizzle. 3:23min

GAME Script- A brand new tool by Hartmut Bornemann makes building masks a cinch- this one's a 'game changer' folks! 2:40min

Advanced Mask Shapes- Offers tips to create masks with circular, elliptical, square and rectangular shapes using PixelMath (expressions courtesy Gerald Weschselberger) and the CloneStamp process. 6:38min

AdvStarmask Script- Automatically produces a great, general purpose star mask in seconds, and is a 'godsend' for those less comfortable with the StarMask process. 1:02min

RangeSelection Process- How to create a mask utilizing this process to select galaxies while also eliminating stars as an alternative to employing the PixelMath method. 1:18min

Repair Dark Mottle- Reveals a great PixelMath trick for reducing dark 'pepper' noise in the background sky. 1:12min

TGVDenoise Automatic Convergence- Can appreciably speed up the application of TGVD. 2:29min

Convolution- Use this little-known process to effectively smooth/blur the edges of a mask. 1:19min

MureDenoise Script- By Mike Schuster, offers an alternate way to reduce noise in linear, monochromatic masters. 3:24min

RepairedHSVSeparation Script- Can eliminate star artifacts caused by highlight-protecting nonlinear stretches such as MaskedStretch or ArcsinhStretch. 2:14min

ArcsinhStretch- Is a brand-new intensity transformation process by Mark Shelly, which preserves the color and detail of highlights even better than MaskedStretch. 3:26min

PSFImage script- By Hartmut Bornemann, uses the DynamicPSF process to automatically generate a Synthetic PSF image for Deconvolution, saving you time and headache! 1:41min

Deconvolution- Presented is a slightly different take on the Local Deringing Support Image. 1:18min

Dynamic Range Extension- This overlooked feature in several processes can yield improved sharpening results without blowing-out the highlights.


DSLR Fine Points- Speaks to newer DSLR imagers to clear up some of the misconceptions concerning preprocessing one-shot color data acquired with modified digital single lens reflex cameras. 4:42min

PhotometricColorCalibration- A brand new process, which may replace standard ColorCalibration in your workflow. PCC plate solves your color master before calibrating it to the actual spectral types of stars in the field. 5:21min

ColorMask Script- Rick Stevenson's brilliant new script let's you target specific colors. 3:02min

One-Shot Color Narrowband Preprocessing shows you two different ways of extracting the best data from your narrowband frames, taken with an OSC/DSLR camera. 3:21min

LocalFuzzyHistogramHyperbolization- Is a new script for contrast enhancement by Frank Weidenbusch. Along with the funny name, comes fuzzy logic to PI! 2:24min

PixInsight Workflow 


M82 is a special release, featuring a quick look at a few teachable moments within a PI galaxy project. As shown in the video, the FITS files used are available at Jim Misti's website. 5:11min

Jim Misti's files referenced for this video

Workflow-2a NGC 3628

Workflow-2b NGC 3628

Workflow-2c NGC 3628

Workflow-2d NGC 3628

Hyades image provided by Grand Mesa Observatory. Warren demonstrates working with a low resolution images with diffuse nebulosity.

Part-1 Demonstrates a simple workflow for combining SHO masters into a color image, and adjusting its color balance. 5:03minn

Part-2 Completes the Hubble Palette miniseries, demonstrating how a Synthetic Luminance and other techniques can add pizzazz to an SHO image. 3:13min

Part-1 Shows you an easy path to enhancing the chrominance component of a color image with Hydrogen-alpha. 5:04min

Part-2 Adds Ha detail to the image used in Part-1, this time to the Lightness component. 3:20min

Download Ron Brecher's' Pixel Math Icon

The Pencil Nebula Part-1 21:24min

The Pencil Nebula Part-2 18:21min

The Pencil Nebula Part-3 18:05min

You can also view selected tutorials from each series using the Preview Page link provided.