: Use a 50% Gray layer set to "Luminosity" blending mode to isolate and compare color information between the two shots.
This write-up covers the essential steps for using a file . Compositing involves blending a detailed foreground (typically shot during the "blue hour") with a high-quality capture of the Milky Way core to create a clean, noise-free nightscape. Initial Setup and File Preparation
: Open your foreground and sky images as layers in a single Photoshop document. Convert these layers into Smart Objects so you can apply non-destructive edits via Adobe Camera Raw (ACR).
: The most critical step for realism is matching the exposure and white balance of both shots.