PROJECT 10073 RECORD CARD 1. DATE 25 March 1951 2. LOCATION Presque Isle, Maine 3. DATE-TIME GROUP Local 2017 EST GMT 26/0117Z 4. TYPE OF OBSERVATION XX Ground-Visual □ Ground-Radar □ Air-Visual □ Air-Intercept Radar 5. PHOTOS □ Yes XX No 6. SOURCE Military 7. LENGTH OF OBSERVATION 10 minutes 8. NUMBER OF OBJECTS one 9. COURSE Falling 10. BRIEF SUMMARY OF SIGHTING Strange light or object in sight in NW at elevation of 15 degrees alowly descending below horizon after observation of more than 10 minutes. Light or object changes colors from yellowish white to brilliant red. Observed on other occasions in same location. Thought by observer to be star close to horizon with peculiar atmospheric conditions causing change in color. Object described as spherical. Color change every six seconds. Object 290 deg azimuth. 11. COMMENTS Venus at 2h 8' 11" on or slightly below horizon at the reported time of observation. Sighting attributed to refraction of this Astronomical Body. 12. CONCLUSIONS □ Was Balloon □ Probably Balloon □ Possibly Balloon □ Was Aircraft □ Probably Aircraft □ Possibly Aircraft XX Was Astronomical Venus □ Probably Astronomical □ Possibly Astronomical □ Other □ Insufficient Data for Evaluation □ Unknown ATIC FORM 329 (REV 26 SEP 52)