FIELD: optical astronomy. SUBSTANCE: prefocal and post focal frames are registered of light source radiation passed through the telescope. Wide-band point radiator is used as light source. Narrow band spectral filters with different wavelength ranges are mounted in holes of Hartmann diaphragm. The images are registered at spectrally sensitive material. Coordinates of spots of different spectral ranges are measured separately onto each picture by means of light filters. Aberration distortion map is formed after results of measurements are averaged. EFFECT: improved precision. 3 dwg
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Authors
Dates
1995-05-27—Published
1987-03-19—Filed