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| Paper: |
The DASCH Data Processing Pipeline and Multiple Exposure Plate Processing |
| Volume: |
442, Astronomical Data Analysis Software and Systems XX (ADASSXX) |
| Page: |
269 |
| Authors: |
Los, E.; Grindlay, J.; Tang, S.; Servillat, M.; Laycock, S. |
| Abstract: |
Digital Access to a Sky Century @ Harvard (DASCH) is a project to digitize the collection of approximately 525,000 astronomical plates held at the Harvard College Observatory. This paper presents an overview of the DASCH data processing pipeline, with special emphasis on the processing of multiple-exposure plates. Such plates extended the dynamic range of photograph emulsions and improved photometric accuracy by minimizing variations in plate development procedures. Two approaches are explored in this paper: The repetitive use of astrometry.net and local correlation searches. Both procedures have yielded additional quality control checks useful to the pipeline. |
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