Full plate access to Heidelberg Digitized Astronomical Plates

Please note that the scans are about 1 GB per plate.
Synthetic name of the image
Image title; to look for a plate by plate number, use something like '~B345*'
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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Limit to items.