DeepSky Academy
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Learning Path Content & Exercises
Stars and Star Clusters
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DeepSky Academy: Globular Cluster III: Data Download
Published 2025-08-06 If you like to follow along with the following lesson please download this image. Also download the WorkFlow PDF for this lesson…
DeepSky Academy: Globular Clusters III
Published 2025-08-06 This lesson shows yet another powerful (and exclusive) way to process star clusters in combination with the ImageBlend Script.
Deep Sky Academy: Globular Clusters II
Published 2025-06-10 This lesson follows the previous concerning enhancing (globular) star clusters. However, this variation avoids some of the pitfalls of applying masked stretch…
Deep Sky Academy: Globular Clusters I
Published 2025-06-10 This lesson demonstrates an oft used method of enhancing globular clusters by using masked stretch. The technique shown here uses this process…
The "Crux" of Handling Starry Fields
Published 2025-05-10 This video is part of the Deep Sky Academy series of videos. Here the constellation of Crux is afloat deep within the uncountable…
Nebulae
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DeepSky Academy: NGC 6337: Data Download
Published 2025-12-11 This data set was made available by request to accommodate following along with the DeepSky Academy topic that demonstrates image processing of…
NGC 6337: The Ghostly Cheerio: Gradient Correction and BXT
Published 2025-070-07 This first lesson demonstrates an important (but subtle) example of resampling an image to potentially improve deconvolution. In small compact objects each…
NGC 6337: The Ghostly Cheerio: StarXterminator
Published 2025-07-07 Careful removal of stars is a must for objects with small bright features.
NGC 6337: The Ghostly Cheerio: Stretching and Blending
Published 2025-07-07 This section is the most critical and relies exclusively on the idea that decisions for processing particular objects come from taking inventory…
NGC 6337: The Ghostly Cheerio: Final Adjustments
Published 2025-07-07 The final adjustments to the image are made in this lesson including the overall brightness and inclusion of the NB stars.
Deep Sky Academy: Managing Color: Veil NB: Data Download
Use the link below to download member Matt Simmons’ master light frames and follow along with the instruction. Big thanks to Matt for permitting ABS…
Deep Sky Academy: Managing Color: NB Veil: HOO and Stretching
Published 2025-08-02 The data used in this lesson comes from a member. (No complaining that I always use “perfect” data… 🙂 ). The desire…
DeepSky Academy: Managing Color: NB Veil: Star Removal
Published 2025-08-02 This lesson includes exclusive content on a method to protect features of an object during star removal without having to manually paint…
DeepSky Academy: Managing Color: Veil NB: Selective Color
Published 2025-08-02 In this lesson Jurgen Terpe’s selective color script is used to help make more vibrant to the low saturation areas in an…
DeepSky Academy: Managing Color: Veil NB: RGB Stars and Wrapup
Published 2025-08-02 This lesson shows how to add RGB stars. However, the member threw a curveball for me. I demonstrate a way to fix…
DeepSky Academy: PNe: NGC 1535 I
Published 2025-12-19 Processing bright planetary nebulae is a challenge that comes with a unique set of processing techniques. Small bright objects like this typically…
DeepSky Academy: PNe: NGC 1535 II
Published 2025-12-19 Now that we have created special masks for this planetary nebula, we will continue with making multiple versions of the object. This…
DeepSky Academy: PNe: NGC 1535 III
Published 2025-12-21 This lesson continues the processing of NGC1535 by combining the intermediate images that have been created in combination with their masks to create…
DeepSky Academy: PNe: NGC 1535 IV
Published 2025-12-21 With the completion of the Luminance image in the previous lesson it is now possible to create an HOO image to colorize…
DeepSky Academy: PNe: NGC 1535 V
Published 2025-12-21 This final lesson shows how to create colorful HOO stars using NarrowbandNormalization and incorporate them into the final image. The stars of…
Galaxies
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NGC 300: MasterLights, DBE, SuperLuminance and SPCC
Published: 2025-12-02 This is the first lesson in the sets of videos that demonstrates processing a galaxy and including H-alpha data as well. The…
NGC 300: Narrowband Blending Ha/LRGB (II)
Published 2025-12-01 This is the second lesson of a two-part demonstration on blending narrowband data into a color image (LRGB in this case). This…
NGC 300: Narrowband Blending Ha/LRGB (I)
Published 2025-12-01 This lesson is the first of two parts that demonstrates the incorporation of narrowband images into a color (LRGB in this case)…
NGC 300: Ha/LRGB Final Processing
Published 2025-12-08 This is the final lesson on processing the HaLRGB image of NGC 300. The important take away techniques shown here include protecting…
Other Objects
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Deep Sky Academy: C/2025 R2 (comet SWAN) Part 1
Published 2025-09-25 This lesson begins the journey to do standard comet processing of Comet SWAN (C/2025 R2) as it appeared on September 21st 2025.…
Deep Sky Academy: C/2025 R2 (comet SWAN) Part 2
Published 2025-09-25 In this lesson the technical side of comet image process is demonstrated. Both normalization and image integration play vital roles in determining…
Deep Sky Academy: C/2025 R2 (comet SWAN) Part 3
Published 2025-09-25 One of the most underappreciated aspects of comet image processing is the use of comet subtraction to improve star fields. This is…
Deep Sky Academy: C/2025 R2 (comet SWAN) Part 4
Published 2025-09-25 In this lesson we construct the RGB images that will eventually be blended together in the final image (last lesson).
Deep Sky Academy: C/2025 R2 (Comet SWAN) Part 5
Published 2025-09-25 This final lesson assembles the starless comet image with the cometless starfield. Both images have a background and you get to choose…
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Description
This is an in-progress course that is currently being built.
Many of its lessons are currently available in the Infinity Subscription.
