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- W1666690761 abstract "Kodak Technical Pan Film 2415 should be known to those doing cometary astrometry. It has exceedingly fine resolution (320 lines/mm) and, when properly hypersensitized, it is almost as fast as treated IIIa-J plates and reaches fainter stars. Reciprocity failure with the treated film is practically zero, and the shelf life of treated film sheets is about a month at 2 C stored in a nitrogen atmosphere. This film is readily available in 4 by 5-inch sheets and is inexpensive. The film base is Estar, a plastic chosen for its stability. Over 120 astrometric measures of negatives on this film have shown a median residual error in comet positions of 1.1 seconds, a value that compares favorably with those of most observatories reporting positions." @default.
- W1666690761 created "2016-06-24" @default.
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- W1666690761 date "1984-11-15" @default.
- W1666690761 modified "2023-09-27" @default.
- W1666690761 title "Astrometry of comets using hypersensitized type 2415 film" @default.
- W1666690761 hasPublicationYear "1984" @default.
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