12 July 2019
⇐20190711 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20190713⇒

NOAA
1 Active Region
12744

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 W04S06
(71",-161") 		E28-W35
(63) 		10.2 -0.3 -4.0e20
2 W13N65
(90",829") 		E84-W64
(148) 		4.4 1.0 1.4e21
3 E26S59
(-212",-837") 		E49-W49
(98) 		2.6 -0.7 -6.4e20
4 W30S20
(442",-375") 		W24-W35
(11) 		0.3 -0.6 -3.4e19
5 W05S33
(75",-575") 		W03-W10
(7) 		0.1 -0.9 -1.7e19
6 E44S15
(-633",-298") 		E47-E40
(7) 		0.1 -0.6 -9.8e18
7 W51S05
(733",-123") 		W49-W54
(5) 		0.1 -1.4 -2.0e19
8 W07S39
(94",-650") 		W06-W10
(4) 		0.0 -1.6 -1.7e19
9 E03S19
(-53",-367") 		E05-E02
(3) 		0.0 -1.4 -8.9e18

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-Jul-2019 23:30 UT .