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"A child of five would understand this. Someone fetch a child of five." -- Anonymous XRT Flare 080409 The movie will loop backward to make movements even clearer. Watch for flows moving in and out from the Sun (count at least 3) and some seeming to originate from a common region just before the large time gap!
Open this movie: (Quicktime .mov) The left two panels are of the original data which has been byte-scaled. The right two panels are the original data which has been merged with the sharpened data (~flattened, ~run-mean diffed, byte-scaled) beginning on frame 100. The byte- and tv-scaling between the left and right sets are different to emphasize different features (Left: higher features, Right: low shrinking loops).
Open this movie: (Quicktime .mov) Annotated Feature Descriptions:
Open this movie: (Quicktime .mov) Track overlays of the manually-tracked flows from above. Frame Counts per GOOD Flow: 4 - 28: median = 12 Total time frame: 11:00:24.268 - 17:31:55.020 Total duration: 391.51 min Flow detection time frame: 11:04:24.347 - 17:18:54.762 Flow detection duration: 374.51 min ALL AVERAGE CENTROID Speeds [km/sec]: Range: 13.26 - 202.60 Mean: 96.82 SD: 56.85 Median: 103.44 ALL INITIAL CENTROID Speeds [km/sec]: Range: 16.93 - 225.79 Mean: 114.69 SD: 68.80 Median: 89.97
Left: Average Velocities; Right: Initial Velocities (determined from a 2-degree polynomial fit)
Left: Average Velocities with Time; Right: Initial Velocities with Time
Left: Average Velocities with Time; Right: Initial Velocities with Time
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