3 October 2016
⇐20161002 ⇐Week ⇐Rotation Today Rotation⇒ Week⇒ 20161004⇒

NOAA
1 Active Region
12598

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 W28N55
(261",726") 		E57-W83
(140) 		13.3 0.8 8.6e33
2 W63S07
(851",-164") 		W54-W79
(25) 		0.5 0.5 3.4e32
3 E35S34
(-456",-612") 		E41-E27
(14) 		0.5 -2.0 -6.7e32
4 W40S21
(573",-427") 		W32-W46
(14) 		0.4 2.1 5.2e32

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 3-Oct-2016 23:32 UT .