Full plate access to Heidelberg Digitized Astronomical Plates

Please note that the scans are about 1 GB per plate.
[?char expr.]
Synthetic name of the image
[?char expr.]
Image title; to look for a plate by plate number, use something like '~B345*'
[?date expr.]
Epoch at midpoint of observation
Coordinates (as h m s, d m s or decimal degrees) or SIMBAD-resolvable object the plate must contain
No selection matches all, multiple values legal.
Designated object on the plate (i.e., the object the observers entered into their journal).
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If you use this data, please acknowledge: "This work made use of the HDAP which was produced at Landessternwarte Heidelberg-Königstuhl under grant No. 00.071.2005 of the Klaus-Tschira-Foundation."

The data in this service was calibrated using Astrometry.net, 2010AJ....139.1782L.