Light Pollution Bortle Scale Estimator Calculator
Estimate light pollution bortle scale estimator calculator using a quick astronomy model for planning and learning.
500 Rule Exposure
20.83 s
NPF Approx Exposure
9.46 s
Image Scale
36.96 arcsec/pixel
Tracking Tolerance
25.87 arcsec
SNR Gain (16 Frames)
4.00 x