HDAP -- Heidelberg Digitized Astronomical Plates

Through this service you will only find astrometrically calibrated plates. To search by object (e.g., comets), use the plates form or ADQL on the lsw.plates table.

ICRS Position, RA,DEC, or Simbad object (e.g., 234.234,-32.45)
Size in decimal degrees (e.g., 0.2 or 1,0.1)
Relation of image and specified Region of Interest.
[?date expr.]
Epoch at midpoint of observation
Size of the cutout image [degrees]
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.