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).
Sort by Limit to items.
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Free to use. 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." Thanks.