| Observer |
|---|
| Name | C M |
|---|
| Experience Level | 3/5 |
|---|
| Remarks | The object spiraled around with a blue core and white sparks behind it. |
|---|
| Location |
|---|
| Address | Rancho Santa Margarita, CA |
|---|
| Latitude | 33° 35' 28.06'' N (33.59°) |
|---|
| Longitude | 117° 37' 23.56'' W (-117.62°) |
|---|
| Elevation | 220.82m |
|---|
| Time and Duration |
|---|
| Local Date & Time | 2017-07-04 21:32 PDT |
|---|
| UT Date & Time | 2017-07-05 04:32 UT |
|---|
| Duration | ≈3.5s |
|---|
| Direction |
|---|
| Moving direction | From up right to down left |
|---|
| Descent Angle | 196° |
|---|
| Moving |
|---|
| Facing azimuth | 145.87° |
|---|
| First azimuth | 159.94° |
|---|
| First elevation | 59° |
|---|
| Last azimuth | 133.6° |
|---|
| Last elevation | 19° |
|---|
| Brightness and color |
|---|
| Stellar Magnitude | -8 |
|---|
| Color | Blue, Light Blue, White |
|---|
| Concurrent Sound |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
| Delayed Sound |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
| Persistent train |
|---|
| Observation | No |
|---|
| Duration | - |
|---|
| Length | - |
|---|
| Remarks | - |
|---|
| Terminal flash |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
| Fragmentation |
|---|
| Observation | Yes |
|---|
| Remarks | Sparks flew behind it |
|---|
