Recent Events Reported by Observers

Detected by halocme, Submitted at 2016-01-07T05:30:53

2016-01-03T09:00:06 --> 2016-01-03T12:00:06

The southeastern part of AR 12473 hosted a filament that erupted. It did not give much impact on the overlying coronal structures.

Detected by halocme, Submitted at 2016-01-07T05:25:29

2016-01-03T02:30:34 --> 2016-01-03T04:30:34

Similar pattern to the previous event in AR 12473.

Detected by halocme, Submitted at 2016-01-07T05:21:47

2016-01-02T22:40:10 --> 2016-01-02T23:30:10

Eruption or double sided flow, that is, toward west and higher and toward southeast and lower. AR 12473 has repeatedly shown this pattern.

Detected by halocme, Submitted at 2016-01-06T05:49:10

2016-01-01T00:00:06 --> 2016-01-06T00:00:06

Many brightenings were seen inside the dark coronal hole, but this five-day movie does not readily indicate dynamic evolution of the coronal hole boundary. This coronal hole was likely responsible for the fast (>600 km/s) solar wind that started around 01 UT on 2016-01-06.

Detected by weiliu, Submitted at 2016-01-05T20:09:28

2015-12-24T00:00:06 --> 2015-12-25T00:00:06

A prominence on the NW limb exhibited dynamic flow and episodes of sudden disruptions, associated with reorganization of neighboring field lines.

Detected by weiliu, Submitted at 2016-01-05T20:05:52

2015-12-24T11:50:06 --> 2015-12-24T13:00:06

A small surge at the SW limb.

Detected by weiliu, Submitted at 2016-01-05T20:02:09

2015-12-24T12:00:06 --> 2015-12-25T00:00:06

About 10 surges or more occurred within 12 hours from AR 2473 and ejected in the same direction (SW from AR).

Detected by weiliu, Submitted at 2016-01-05T19:57:26

2015-12-24T00:00:06 --> 2015-12-24T03:00:06

A small active region filament from AR 2473 disrupted, displacing its material upward and side-way, eventually falling back to the Sun.

Detected by weiliu, Submitted at 2016-01-05T19:52:06

2015-12-24T03:30:06 --> 2015-12-24T06:40:06

A slow eruption gradually developed over a few hours from the AR 2473 near the SE limb. No obvious global EUV wave was detected. This led to a CME and transequatorila loop connecting AR 2472. This event was well documented by Sam Freeland at: http://sdowww.lmsal.com/sdomedia/ssw/media/ssw/ssw_client/data/ssw_service_151224_042850_52474/www/

Detected by halocme, Submitted at 2016-01-03T19:27:38

2016-01-02T14:00:06 --> 2016-01-02T22:00:06

This prominence disappeared after several hours of dynamic motions but did not leave signatures expected of an eruption. Observed only in 304 A images.

Detected by halocme, Submitted at 2016-01-03T19:13:24

2016-01-01T22:40:10 --> 2016-01-02T00:40:10

This was not a strong wave, which often resulted from impulsive lateral expansion of the coronal volume. But we see disturbances propagating in various directions including counterclockwise along the limb and toward south pole.

Detected by halocme, Submitted at 2016-01-03T19:02:34

2016-01-01T22:20:23 --> 2016-01-02T02:20:23

This is the only major eruption from AR 12473 since the one on 29 December 2015 (which caused a G2 storm on NYE). Big dimming was seen over the limb. The flare showed downflows. It was preceded by a C2.7 flare, which may have played a role in loosening up the strapping field. The eruption included one that went southeast, reminiscent of the minor eruptions at earlier times. The eruption resulted in a bright CME with shock signatures and was associated with a minor (S1 level) SEP event. See https://twitter.com/halocme/status/683197503504683008, https://twitter.com/halocme/status/683194474999119873 and https://twitter.com/cosmic_jet/status/683455470078525440.

Detected by halocme, Submitted at 2016-01-03T19:02:33

2016-01-01T22:20:23 --> 2016-01-02T02:20:23

This is the only major eruption from AR 12473 since the one on 29 December 2015 (which caused a G2 storm on NYE). Big dimming was seen over the limb. The flare showed downflows. It was preceded by a C2.7 flare, which may have played a role in loosening up the strapping field. The eruption included one that went southeast, reminiscent of the minor eruptions at earlier times. The eruption resulted in a bright CME with shock signatures and was associated with a minor (S1 level) SEP event. See https://twitter.com/halocme/status/683197503504683008, https://twitter.com/halocme/status/683194474999119873 and https://twitter.com/cosmic_jet/status/683455470078525440.

Detected by halocme, Submitted at 2016-01-03T19:02:32

2016-01-01T22:20:23 --> 2016-01-02T02:20:23

This is the only major eruption from AR 12473 since the one on 29 December 2015 (which caused a G2 storm on NYE). Big dimming was seen over the limb. The flare showed downflows. It was preceded by a C2.7 flare, which may have played a role in loosening up the strapping field. The eruption included one that went southeast, reminiscent of the minor eruptions at earlier times. The eruption resulted in a bright CME with shock signatures and was associated with a minor (S1 level) SEP event. See https://twitter.com/halocme/status/683197503504683008, https://twitter.com/halocme/status/683194474999119873 and https://twitter.com/cosmic_jet/status/683455470078525440.

Detected by halocme, Submitted at 2016-01-03T19:02:32

2016-01-01T22:20:23 --> 2016-01-02T02:20:23

This is the only major eruption from AR 12473 since the one on 29 December 2015 (which caused a G2 storm on NYE). Big dimming was seen over the limb. The flare showed downflows. It was preceded by a C2.7 flare, which may have played a role in loosening up the strapping field. The eruption included one that went southeast, reminiscent of the minor eruptions at earlier times. The eruption resulted in a bright CME with shock signatures and was associated with a minor (S1 level) SEP event. See https://twitter.com/halocme/status/683197503504683008, https://twitter.com/halocme/status/683194474999119873 and https://twitter.com/cosmic_jet/status/683455470078525440.

Detected by halocme, Submitted at 2016-01-03T18:40:20

2016-01-01T18:40:10 --> 2016-01-01T20:10:10

Similar pattern to the three earlier events (02 UT, 06 UT and 10 UT), but this one more clearly shows the presence of a dark filament, which was disturbed by the confined eruption in the southeast direction. In addition, the closed structure sticking out from the northwester part of the active region was seen to dim. These may have contributed to setting the stage for the big event a few hours later.

Detected by halocme, Submitted at 2016-01-03T18:31:05

2016-01-01T09:10:10 --> 2016-01-01T11:00:10

Similar pattern to the previous two events around 2 UT and 6 UT (minor eruptions to west and southeast). In this event, a flux rope-like eruption was added in the northwestern part of the region, although it still looked confined.

Detected by halocme, Submitted at 2016-01-03T18:24:08

2016-01-01T05:30:34 --> 2016-01-01T07:10:34

Again, minor eruptions to west and southeast.

Detected by halocme, Submitted at 2016-01-03T18:21:11

2016-01-01T01:55:10 --> 2016-01-01T03:55:10

AR 12473 sometimes showed minor, confined eruptions to the west and southeast. This pattern was also seen in larger events from the same region, which was decaying into a simpler configuration.

Detected by weiliu, Submitted at 2015-12-30T02:15:03

2015-12-23T03:40:06 --> 2015-12-23T05:30:06

A large surge on west limb apparently follow the open field lines outlined by the 171 emission. There seems to be a typical fan-spine geometry.