Historical Photographic Plate Image Archive

GAVO's historical photographic plate archive (GHHPA) is a collection of various digitized historical photographic plates. It currently exposes:

Other plate collections kept by GAVO include the Heidelberg Digitized Astronomical Plates HDAP, ivo://org.gavo.dc/lswscans/res/positions/siap, and the APPLAUSE database from Potsdam.

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.
Epoch at midpoint of observation
Freeform name of the bandpass used
No selection matches all, multiple values legal.
Object being observed, Simbad-resolvable form
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The Data Center is currently running in emergency mode after our database server failed catastrophically (see our blog for infos and updates).

This means, in particular, that services built on top of large tables may currently be broken. Since our replacement server is much slower than our usual machine, restoring them will take quite some time.

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