Project 10073 Record Card and Incident Report — Hammond, Indiana, 10 Sep 61

This document consists of a Project 10073 record card and associated teletype messages regarding a UFO sighting reported in Hammond, Indiana, on September 10, 1961. A 21-year-old student reported observing an oval-shaped object displaying blue, green, orange, and yellow colors with a diffused light around it. The witness observed the object for three and a half hours using a 20x40x60 telescope and 7x35 binoculars. The object was described as moving in a straight line at a very slow speed toward the North-North-East. The report notes that the witness observed the object at an elevation of 30 to 50 degrees North-North-East. The Air Force investigation, conducted under the guidelines of AFR 200-2, determined that the witness likely lacked the necessary skill to operate the telescope effectively, as the provided elevation and azimuth data were too general. The official conclusion reached by the OIC of the Instrument Section was that the witness was likely observing a first-magnitude star, specifically identifying Capella or Vega as the probable source of the sighting. The report confirms that no sound was heard, no radar contact was made, and no photographs were taken. Weather conditions at the time were reported as clear and calm.