Angular motion during the exposure maps through pixel scale into a trail on the sensor.
Streak length
290.9 px
5,760.0 arcsec
Pixel scale
19.801 arcsec/px
small-angle approximation
Max exposure
0.138 s
20.0 px trail limit
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.
Angular motion during the exposure maps through pixel scale into a trail on the sensor.
Streak length
290.9 px
5,760.0 arcsec
Pixel scale
19.801 arcsec/px
small-angle approximation
Max exposure
0.138 s
20.0 px trail limit
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.