Image recorded at 12 Aug 2021 - 23:07
![](/api/files/content/20210812_230754_71002845f341.png/20210812230757_eddington0_event_mapDifference.png)
Observation type
An object moving across the sky
Observatory
Time
12 Aug 2021 - 23:07
Image type
Difference frame. This frame indicates why the camera thought this object was interesting. It shows the difference between the video frame where the object appeared and the one before. White areas have brightened; dark areas have darkened.
Display options
Other files associated with this event
![](/api/thumbnail/20210812_230754_95d31786433a.png/20210812230757_eddington0_event_allTriggers.png)
![](/api/thumbnail/20210812_230754_71002845f341.png/20210812230757_eddington0_event_mapDifference.png)
![](/api/thumbnail/20210812_230754_c5a5abd97487.png/20210812230757_eddington0_event_mapExcludedPixels.png)
![](/api/thumbnail/20210812_230754_18210c8c872c.png/20210812230757_eddington0_event_mapTrigger.png)
![](/api/thumbnail/20210812_230754_30b969cc2936.png/20210812230757_eddington0_event_maxBrightness.png)
![](/api/thumbnail/20210812_230754_706bc2bca357.png/20210812230757_eddington0_event_previousFrame.png)
![](/api/thumbnail/20210812_230754_8261f511655a.png/20210812230757_eddington0_event_triggerFrame.png)
Metadata about this image
Property | Value |
Observatory ID | eddington0 |
Unix timestamp | 1628809674.81 |
Pi-gazing type | pigazing:movingObject/mapDifference |
Width of frame | 720.00 |
Height of frame | 576.00 |
Noise level of input frames (0-255) | 11.37 |
Noise level of stacked image (0-255) | 11.37 |
Average pixel brightness (0-255) | 31.23 |
Number of frames spanned | 1.00 |
Right ascension of Sun (hr) | 9.52 |
Declination of Sun (deg) | 14.67 |
Altitude of Sun (sec) | -21.99 |
Azimuth of Sun (sec) | -14.81 |
Sky clarity estimate | 658.00 |
Metadata about this observation
Property | Value |
Peak brightness of object | 822.00 |
Time-integrated brightness of object | 2037.00 |
Number of motion sensor detections | 3.00 |
Detection significance | 72.29 |
Duration of object's appearance (sec) | 2.88 |
Height of frame | 576.00 |
Path of object | [[444,443,1628809674.812],[444,443,1628809674.852],[460,442,1628809677.691]] |
Video duration | 8.88 |
Video frames/second | 25.01 |
Video start time | 1628809672.81 |
Width of frame | 720.00 |
Identification: Object type | Plane |
Frame drop incidents | [[2, 1628809676.2715, 3.5, 16]] |
Triangulation: Speed (m/s) | 247.48 |
Triangulation: Altitude (km) | 14.81 |
Triangulation: Error (deg) | 0.77 |
Triangulation: Max baseline (m) | 6194.17 |
Triangulation: Radiant direction (RA, Dec) | [27.735031541161987, -21.66316538485743] |
Triangulation: Sight line count | 61.00 |
Triangulation: Path | [{"lat": 52.066861167760756, "lng": 0.05331801806345764, "alt": 14777.857589456253, "utc": 1628809624.332}, {"lat": 52.17048398966678, "lng": 359.8261214300727, "alt": 14851.81093724817, "utc": 1628809702.594}] |
Satellite: Name | Unidentified |
Satellite: Number | 0.00 |
Satellite: Ephemeris clock offset (sec) | 0.00 |
Satellite: Angular mismatch (deg) | 0.00 |
Satellite: Track length (deg) | 1.75 |
Satellite: Path (RA, Dec) | [[-5.738,14.852],[-5.738,14.852],[-5.854,15.366]] |
Aircraft: call sign | TOM9VC |
Aircraft: Hex identifier | 40769A |
Aircraft: Ephemeris clock offset (sec) | 0.00 |
Aircraft: Angular mismatch (deg) | 2.02 |
Aircraft: Mean distance (km) | 17.20 |
Aircraft: Mean altitude (km) | 12.05 |
Aircraft: Path | [{"utc": 1628809674.812, "lat": 52.14685799416625, "lon": -0.05269656432896232, "altitude": 39550.0, "ground_speed": 401.2701091069619}, {"utc": 1628809677.691, "lat": 52.15011587358876, "lon": -0.059913619849531835, "altitude": 39511.489312939106, "ground_speed": 400.0}] |
Aircraft: Track length (deg) | 1.75 |
plane:operator | 0.00 |
plane:model | 0.00 |
plane:manufacturer | 0.00 |