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IP4AP.com has been chosen by Astro-Imagers Worldwide as the premier source for learning the latest techniques in image processing. Get up to lightspeed with PixInsight tutorials quickly and painlessly. Thanks for stopping by!
Warren Keller & Peter Proulx

Welcome Cloud Break Optics 

We are proud to announce our first 
Official Sponsor of IP4AP.com! 

Located in Seattle Washington, Cloud Break Optics is your telescope retail store. Whether an astronomy beginner or an experienced astrophotographer, they have what you are looking for!



Official Sponsor

Warren's 2020 Subscribers Process Icon Set

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Masters of PixInsight Virtual Workshops

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Monthly Subscription Service 

IP4AP.com is a PixInsight-centric resource for astro-imagers, featuring an 'all you can eat buffet' of video content! Also found here are tutorials on Photoshop, MaxIm DL, Astroart, and others. Get access to exclusive content via our subscription service, featuring image data, projects, workflow crib sheets, New Instance PI process icons, tips and tricks.

Inside PixInsight 2018 Second Edition

by Warren A. Keller

In the Second Edition of this book, Warren Keller reveals the secrets of astro-image processing software PixInsight in a practical and easy to follow manner, allowing the reader to produce stunning astrophotographs from even mediocre data. As the first comprehensive post-processing platform to be created by astro-imagers for astro-imagers, it has for many, replaced the generic graphics editors as the software of choice. With clear instructions from Keller, astrophotographers can get the most from its tools to create amazing images.
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PixInsight Information

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Let us light your path from PI Novice to Expert. This powerful image processing platform may seem daunting but we'll walk with you every step of the way. 

New Content


We'll post new content that will keep you updated on changes to processes and scripts, and the latest revision of PixInsight. We'll include object-specific tutorials that will help you get the most from your data. 



We'll use the power of the WEB to bring you periodic informative Podcasts. Join Warren and Pete for informative and unscripted 'OnDaFly' sessions covering various image processing topics.


PI Resources


Our resource page will be updated with PI information and links that you'll love. We'll publish updated Process Icon sets that will help streamline your workflow. From time to time we'll offer image data of objects featured in our tutorials, as well as complete Projects. This is a great way to hone your skills and impress your friends and loved ones.



Want access to your tutorials while away from your Internet connection? Many of our series are available for download, or as an IOS App. When we develop a sufficient amount of new content, we'll offer these for sale in offline formats as well. 

Work with Warren

Warren Keller

Need some coaching? After studying our tutorials, spend some quality time with Warren- your personal PI Guru. Your data or ours. This is a great way to get past those hangups that are slowing you down. 

Like to get up to lightspeed with PixInsight quickly? Try our FREE 5-Part Primer!