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12 January 2025
20250111 Week Rotation Today Rotation Week 20250113



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 E39S17
(-582",-237")
E67-W03
(70)
4.6 -7.0 -6.5e21
2 W22S05
(372",-16")
W11-W30
(19)
1.1 -8.1 -1.5e21
3 W18N69
(111",932")
E02-W47
(49)
0.3 -0.2 -3.3e19
4 W12N35
(173",617")
W07-W17
(10)
0.2 0.6 2.5e19
5 W08S11
(139",-117")
W05-W11
(6)
0.1 -6.1 -1.3e20
6 E20N37
(-267",646")
E22-E18
(4)
0.0 -1.5 -1.5e19

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 12-Jan-2025 20:30 UT .