Star Trail Calculator
Plan your star trail photography with optimal exposure and timing settings.
Star Trail Settings
Keep minimal (1-3s) to avoid gaps in trails
Total Shots Required
225
Over 120 minutes
Trail Information
Earth Rotation30.0deg
Trail TypeCircular trails around pole
Trail Length41% of frame
Timing Details
Cycle Time32s per shot
Total Exposure112m 30s
Resource Estimates
Storage (RAW)5.5 GB
Battery Usage~5%
Tips
- Use an intervalometer for consistent timing
- Turn off long exposure noise reduction
- Use a fully charged battery or external power
- Consider taking dark frames for noise reduction
- Stack images using Startrails software or Photoshop
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.