Master Classes 

of

Astrophotography

 

 

 

The Realm of Pixels

 

The is the second chapter of the Dimensions of Photoshop instructional video set. 

These sections outline concepts of processing astronomical images in Photoshop. 

 

Section 1
  • Pixel values and Bit Space
  • Understanding the Screen Stretch
  • Understanding Histograms
25 minutes
Section 2
  • Opening Images in Photoshop
  • Unstretched and Permanently Stretched (scaled) Data
  • Adjustment Layers (non-destructive/permanent)
39 minutes
Section 3
  • Straight to the Point with Curves
  • Curves usage
  • Non-Linear Adjustments with Rigor
  • The Curves and Levels Relationship
28 minutes
Section 4
  • A/B Comparison, an introduction to Blending Modes
  • The Lighten Blending Mode
  • A Puzzle to Solve
8 minutes
Section 5
  • Preparing a Luminance Image (with small amount of Processing in CCDStack)
  • Permanent Stretch Procedure to Optimize Color (in Photoshop)
19 minutes
Section 6
  • H-alpha Blending
  • Creating RGB Images using Channels
  • Use of Screen, Output Levels, and Opacity
27 minutes
Section 7
  • Unsharp Mask Filter
25 minutes
Section 8
  • Blending Modes (Part 1)
  • Characterization and Mathematical Descriptions
  • Darken, Lighten, and Multiply
30 minutes
Section 9
  • Blending Modes (Part 2)
  • Linear Burn, Screen, Overlay and Pin Light
31 minutes
Section 10
  • Blending Modes (Part 3)
  • Luminosity (Color) Blending Mode
23 minutes