5 November 2021
20211104 Week Rotation Today Rotation Week 20211106



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W17S01
(284",-76")
E03-W29
(32)
4.0 0.3 1.8e20
2 E34S16
(-526",-315")
E54-E13
(41)
3.4 -0.3 -1.7e20
3 W05N75
(21",914")
E70-W80
(150)
1.0 1.3 6.2e20
4 E25N22
(-380",307")
E28-E22
(6)
0.1 -6.6 -1.0e20

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 5-Nov-2021 20:30 UT .