Troubleshooting
Fix Color Fringing in Planetary Images
Remove purple or blue halos from planetary photos. Chromatic aberration correction and processing tips.
Quick Solution
Use Median Stacking stacking algorithm for the best results.
The safest choice - naturally rejects outliers and artifacts
Common Causes
- 1Chromatic aberration from telescope optics
- 2Atmospheric dispersion at low altitudes
- 3Poor color alignment during processing
- 4Over-saturated colors
How to Fix It
1
Process RGB channels separately if severe
2
Use deconvolution carefully
3
Reduce color boost percentage
4
Wait for object to be higher in the sky
Settings to Adjust
Color BoostRGB AlignmentChannel Processing
These settings in Uranum's Advanced Mode can help resolve this issue.
Prevention Tips
- -Use an atmospheric dispersion corrector (ADC)
- -Image objects when they are highest in the sky
- -Consider an IR-cut filter for refractor telescopes
Why Median Stacking?
Median Stacking
BeginnerThe safest choice - naturally rejects outliers and artifacts
How it works:
- 1.For each pixel position, collects values from all frames
- 2.Sorts all values and selects the middle value (median)
- 3.Outliers (satellites, hot pixels, cosmic rays) are naturally excluded
Best for:
- -First-time planetary photographers - safe and reliable
- -Removing satellite trails, airplane lights, Starlink streaks
- -Videos with occasional bright artifacts or hot pixels
Try with Your Planet: Median Stacking
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