Astronomical data collection method employing a novel optical re

Details Astronomical data collection method employing a novel optical re Astronomical data collection method employing a novel optical re

1991-01-17

1992-04-21

Gonzalez, Frank

Optical: systems and elements

Compound lens system

Telescope

359900, G02B 2300

Patent

active

051073706

ABSTRACT:
An astronomical data collection method employing a novel optical reticle projector. Prior art ground-based optical systems for astronomical data collection typically comprise a main telescope, and a guide telescope comprising an internal reticle. The guide telescope presumably corrects nominal tracking errors, but may itself, by way of the internal reticle, develop supererogatory errors due to differential flexure. The method of the present invention addresses the problem due to differential flexure, and solves it, by minimizing a source of the supererogatory errors, while recreating an internal reticle function in the novel optical reticle projector.

REFERENCES:
patent: 4244651 (1981-01-01), Roof
patent: 4448500 (1984-05-01), Marling et al.
patent: 4589744 (1986-05-01), Kimura et al.
patent: 4749271 (1988-06-01), Nagler
patent: 4828377 (1989-05-01), Putland

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