Incident #242 Sighting Report — Los Alamos, New Mexico, 6 Jan 49

This document is a formal sighting report, designated as Incident #242, recorded on a Temporary ATIC Form 329 dated January 2, 1952. The report details an aerial observation that occurred on January 6, 1949, at 0310 MST in Los Alamos, New Mexico. The witness, identified only as a civilian employee, reported observing a single object described as a brilliant green fireball. The object was noted to be at a low altitude in the sky, traveling on a heading of 270 degrees. The duration of the sighting was estimated at two seconds. Regarding its speed, the report notes it was slower than a meteor. The document includes a handwritten annotation at the bottom right corner, which provides an official explanation for the event, identifying the object as an 'Astro (meteor)'. No photographs or film were taken of the incident, and no further details regarding radar contact or physical evidence are provided in the report.