Star Trail Length Calculator

Calculate star trail lengths for astrophotography and long exposures.

Time measurement.
minutes
Linear measurement.
mm
Width measurement.
mm
Enter star declination (0=equator, 90=pole) value.
degrees

Results

Trail Length:
Calculated trail length value.
-degrees
Trail Length (24MP FF):
Calculated trail length (24mp ff) value.
-pixels
Trail Length on Sensor:
Calculated trail length on sensor value.
-mm
Motion Type:
Calculated motion type value.
-
Reference: Industry Standards.