☀️ SOLAR ROTATION ☀️
Flipbook playback of full-disk telescope images of the Sun
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Drag images here or click to select
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🔧 Alignment active
Coordinates✕
📷 Images
🔍 Image analysis
Click points in the image (e.g. sunspots) to set a marker. Clicking a marker again removes it. With two markers set, a line is automatically drawn through them. All coordinates are alignment-corrected and given relative to the center of the Sun (0/0).
🔧 Settings
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📊 Results
Exports all data from the „Coordinates“ area including the date and time of each image.
Creates an animation of the visible images at the current playback speed.
📁 Examples
Opens images taken in summer 2026 in Germany with the smart telescope „DWARF mini“ in slight haze.
Opens images taken by two students at the MINT camp 2026 in Münster/Germany with the smart telescope „Seestar S50“ in slight haze.
Loads the image data of the TSO teaching unit „Measure the Sun’s Rotation“ into our tool.
Notes:
Using the TSO teaching unit requires a short, free registration. It gives you and your learners exclusive, free access to professional research telescopes and extensive learning materials. Take the opportunity and register today with „The Schools’ Observatory“.
Using the TSO teaching unit requires a short, free registration. It gives you and your learners exclusive, free access to professional research telescopes and extensive learning materials. Take the opportunity and register today with „The Schools’ Observatory“.
? Assistance
Opens a page with useful explanations and help.