Measuring and scanning methods in astrometric processing of the photographic plates

Details Measuring and scanning methods in astrometric processing of the photographic plates Measuring and scanning methods in astrometric processing of the photographic plates

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1043..212b&link_type=abstract

EXPLORING THE SOLAR SYSTEM AND THE UNIVERSE. AIP Conference Proceedings, Volume 1043, pp. 212-213 (2008).

Computer Science

Databases

Photography And Photometry, Astronomical Observations, Interstellar Medium And Nebulae In External Galaxies, Astronomical Catalogs, Atlases, Sky Surveys, Databases, Retrieval Systems, Archives, Etc., Telemetry: Remote Control, Remote Sensing, Radar

Scientific paper

This paper is dedicated to the first comparative study concerning position determinations of selected small bodies in the solar system observed with the Bucharest Observatory equatorial PRIN-MERTZ refractor (d = 0.38m, f = 6.0m) by means of the Carl-Zeiss ASCORECORD measurements and the processing of 5 photographic plates dating from 1971, digitized with the EPSON 1640XL flatbed scanner of the Sofia. The calculations were done with PC computer, with the same program for both cases using a double precision accuracy on the way to compare manual measurements and data processing using the digitized plates. The scan resolution used was 1600 dpi-14 bit grayscale up to 3.6 densities. With this scale 1 pix = 15.875 microns we had the extended field of 15184×15219 pix. The format of the scans was FITS using the standard twain driver for EPSON 1640XL and software developed by S. Mottola.

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