11 February 2017
⇐20170210 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170212⇒

NOAA
2 Active Regions
12635
12634

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 E09N46
(-108",771") 		55
(5.3e05) 		0.5 6.0 3.2e34
2 W30S66
(197",-844") 		E67-W84
(151) 		3.5 -1.3 -6.3e33
3 W36N23
(520",468") 		W21-W49
(28) 		0.9 0.9 4.4e32
4 E48S24
(-658",-318") 		E63-E35
(28) 		0.9 1.3 7.3e32
5 E23S15
(-372",-157") 		E32-E16
(16) 		0.8 1.2 2.5e32

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 11-Feb-2017 20:30 UT .