12477
12480
12482
12483
12484
12476
12478
12479
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| Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
| 1 | W18N20 (281",394") |
W09-W25 (16) |
0.6 | -3.2 | -5.5e32 |
| 2 | E15S79 (-47",-943") |
E73-W43 (116) |
0.4 | -1.0 | -1.8e33 |
| 3 | E12N29 (-178",537") |
E16-E08 (8) |
0.1 | -6.6 | -3.5e32 |
| 4 | W24N08 (399",193") |
W22-W26 (4) |
0.1 | -2.5 | -7.1e31 |
|
Note: Solar Monitor's coronal hole segmentations are performed by CHIMERA, a copy of which is available at: github.com/TCDSolar/CHIMERA. The operations of the CHIMERA algorithm is described in a peer reviewed paper: arxiv.org/abs/1711.11476. An extensive copy of coronal hole properties are available at: solarmonitor.org/data. The latest positions of the coronal holes are given in heliocentric co-ordinates, and the region positions are valid on 11-Jan-2016 21:35 UT . |
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