Philadelphia, PennsylvaniaAugust 1957

Insufficient Data

Summary

On the night of August 22, 1957, two very bright objects appeared in the sky over Philadelphia, Pennsylvania. The sighting lasted only a few seconds. The objects were close together, and observers described them as extremely bright, but no other details about their appearance were recorded.

The Air Force investigation found insufficient data to reach a conclusion about what the objects were. The case file includes witness questionnaires and weather data collected from the area at the time of the sighting, but the OCR text is difficult to read clearly in many sections, and specific details about the witnesses' accounts are hard to extract with confidence.

The file also contains material related to a separate sighting in Dayton, Ohio, on the same date. In that case, observers reported seeing two objects the size of a dime with a yellow color, which the Air Force concluded were the planets Venus and Jupiter.

The full case file, comprising 24 scanned pages, is reproduced below as held by the National Archives.

Reported location

Philadelphia, Pennsylvania

Date of incident

August 1957

State / country

PA / US

Page count

24 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 28

Original case file scans

Original case file · scanned by NARAPage 1 of 24

View transcribed text

3 : a, PROJECT 10073 RECORD CARD Se
E 1. DATE 3 2. LOCATION 12. CONCLUSIONS
0 Wos Bolloon
§ 22 August 1957 Philadelphia, Pennsylvania (O Bony Ddise
© | 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION He OY, een
2 Rg O Wos Aircroft
: RTT FREES IE TI SE Rh RL wT «& Ground- Vi sual D Ground-Rodar a Probably Aircraft
3 GM 23 015 a Air Visuvol O Air-Intercept Rodar O Possibly Aircraft
: 5. PHOTOS ; . SOURCE 0 Was Astronomical
E 0 Yes O Probably Astronomical
3 XO No D Possibly Astronomical
"| 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE BOM iis aia
: CX Insufficient Dota for Evaluation
3 0D Unknown
13 few seconds two
10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
3 No description other than two objects, Insufficient data for evaluation.
1 close together and very bright,
d ATIC FORM 329 (REV 26 SEP 52)
3

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Source: National Archives Catalog · NAID 28971358