30 November 2022
⇐20221129 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20221201⇒

NOAA
2 Active Regions
13151
13152

Flare Forecast
Flare Prediction System
MM MotD

Coronal Holes


Today's Coronal Hole Properties
CHIMERA Number
Centroid
[Heliocentric]
Width
[°]
Area
[%]
< B >
[G]
< Φ >
[Mx]
1 W28S03
(460",-64") 		W06-W43
(37) 		5.4 2.2 2.1e21
2 E53N11
(-760",183") 		E61-E44
(17) 		1.4 -1.1 -4.0e20
3 W53N30
(673",472") 		W52-W62
(10) 		0.8 2.9 6.7e20
4 W60S53
(504",-783") 		W49-W65
(16) 		0.3 -0.8 -1.4e20
5 W03S24
(46",-416") 		E01-W06
(7) 		0.2 2.9 8.2e19
6 W20N43
(244",649") 		W17-W23
(6) 		0.1 2.2 4.0e19
7 E31S12
(-496",-219") 		E33-E29
(4) 		0.1 -0.9 -1.0e19
8 E52N23
(-704",366") 		E54-E49
(5) 		0.1 -3.5 -5.0e19
9 E29S09
(-463",-170") 		E30-E27
(3) 		0.0 1.8 1.4e19

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 30-Nov-2022 20:30 UT .