Corrections between USNO-B and PPMXL

For information on how to obtain the full correction tables or do bulk corrections, see the service info.

Coordinates (as h m s, d m s or decimal degrees), or SIMBAD-resolvable object
Sort by
Limit to items.

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.

(Click to dismiss; requires Javascript)