25 Years of the OGLE Survey
On the night of April 12/13 1992 the first sky images were collected starting the OGLE era

OGLE-2016-BLG-1540: A free-floating planet candidate from the OGLE and KMTNet surveys
Classical, Type II, and Anomalous Cepheids Toward the Galactic Center
Searching for Potential Mergers among OGLE Binary Stars
No large population of unbound or wide-orbit Jupiter-mass planets
First release of the Web interface to the OGLE Collection of Variable Stars
Concluding Henrietta Leavitt's Work on Classical Cepheids in the Magellanic System
Blue large-amplitude pulsators (BLAPs) as a new class of variable stars
MOA-2012-BLG-006: A companion on the planet/brown dwarf mass boundary on a wide orbit
Over 450 000 Eclipsing and Ellipsoidal Binary Systems Toward the Galactic Bulge

  • General description and history
  • Telescope and instrumentation