Equipment analyser

What do you want to check?

Choose only the path you need.

1.Optical tubeMissing data

Aperture mmAvailable valueFocal length mmFocal ratiof/

Optical factor (corrector or Barlow)1 with no corrector, reducer or Barlow; 0.85 for a 0.85× reducer; 2, 3 or 5 for a Barlow.

Result with factor—

2.CameraMissing data

Select a camera

Pixel size µmWidth pxHeight px

3.GuidingOptional

Add guiding setup

Guide scope

Aperture mmAvailable valueFocal length mmFocal ratiof/

Guide scope240 mm · f/4

Guide cameraSelect a guide camera

Guide camera pixel µmWidth pxHeight px

4.Sky qualityOptional

Seeing by categorySeeing in arcseconds ″SQM mag/arcsec²Estimated Bortle class

Enter SQM when a meter is available, or a visually estimated Bortle class. They are different references and cannot be converted exactly.

5. Check the framingScale representation of the selected object’s size within our frame (FOV).

Reference object

0°

Field of View (FOV)