25 March 2025
⇐20250324 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20250326⇒



Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W19S44
(222",-589") 		E34-W72
(106) 		21.6 2.7 1.1e22
2 E14N32
(-193",604") 		E30-W17
(47) 		3.8 2.0 1.5e21

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 25-Mar-2025 20:30 UT .