16 June 2017
⇐20170615 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20170617⇒

NOAA
2 Active Regions
12662
12663

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 -57
(235",-473") 		6.9e04
(2.0) 		6.2 -7.9 -5.5e33
2 506
(616",-128") 		6.0e04
(1.3) 		6.5 -8.7 -5.2e33
3 178
(360",387") 		3.9e04
(1.1) 		5.8 -9.8 -3.8e33
4 -85
(97",-904") 		1.9e05
(0.4) 		5.4 -7.0 -1.3e34
5 -68
(105",905") 		1.7e05
(0.4) 		6.4 -5.9 -9.8e33
6 507
(527",207") 		1.8e03
(0.0) 		4.8 -7.1 -1.3e32
7 382
(410",-334") 		1.6e03
(0.0) 		6.6 -8.5 -1.4e32

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 16-Jun-2017 23:30 UT .