26 October 2018
⇐20181025 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20181027⇒

NOAA
Active Regions
No Data

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 W06N67
(38",855") 		E85-W75
(160) 		3.8 1.0 5.4e21
2 E28S05
(-451",-151") 		E34-E19
(15) 		1.1 -1.0 -3.1e20
3 W27S14
(426",-298") 		W23-W32
(9) 		0.2 -0.8 -6.6e19
4 E23S69
(-134",-925") 		E37-E10
(27) 		0.2 -0.7 -6.2e20
5 E35N07
(-554",54") 		E38-E32
(6) 		0.2 -1.3 -7.7e19

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 some time.