6 January 2018
⇐20180105 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20180107⇒

NOAA
1 Active Region
12693

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 W07N51
(73",799") 		E59-W50
(109) 		8.6 0.7 5.2e33
2 E03S71
(-16",-903") 		E62-W80
(142) 		2.0 -1.4 -5.7e33
3 E44N16
(-652",314") 		E56-E34
(22) 		0.4 1.6 3.8e32
4 W03S07
(45",-60") 		E02-W06
(8) 		0.3 -2.0 -9.4e31
5 W30S14
(478",-182") 		W29-W32
(3) 		0.0 -0.8 -1.1e31

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 6-Jan-2018 20:30 UT .