Background Testing Calculation Testing With Imatest Inputs Outputs Introduction Examples Root Causes Glossary Test Overview Test Factors Technical Considerations Metric Calculation Masking Normalization Analysis Instructions Motorized Gimbal Instructions Imatest Product Solution Settings (INI) Configuration File Outputs Overview FITS File Overview HDF5 File Overview Current Documentation View previous documentation View legacy documentation All documentation versions Image Notes Ghost reflections, color shifts, and specular highlights caused by contamination on the windshield Ring pattern from the sun Reflection off an external baffle (phone case) Ghost reflections Diffraction spikes, veiling glare (loss of contrast), and a ghost reflection (green feature to lower left of sun) Petal flare (red flower shaped stray light) Veiling glare near sun, red petal flare to lower left of sun, green flare in lower right corner of image