Median Stacking
The safest choice - naturally rejects outliers and artifacts
The safest choice - naturally rejects outliers and artifacts Median stacking has O(n log n) complexity due to sorting. Unlike mean stacking, a single bright outlier cannot skew the result. Preserves edges better than mean while rejecting artifacts.
How Median Stacking Works
For each pixel position, collects values from all frames
Sorts all values and selects the middle value (median)
Outliers (satellites, hot pixels, cosmic rays) are naturally excluded
Result is the "typical" value at each pixel - very robust
- -First-time planetary photographers - safe and reliable
- -Removing satellite trails, airplane lights, Starlink streaks
- -Videos with occasional bright artifacts or hot pixels
- -When you are unsure which algorithm to use
- -Videos with highly variable seeing - weighted better captures sharp moments
- -When you need maximum detail and have high-quality source footage
Technical Details
Median stacking has O(n log n) complexity due to sorting. Unlike mean stacking, a single bright outlier cannot skew the result. Preserves edges better than mean while rejecting artifacts.
Median Stacking Guides by Planet
Related Algorithms
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