Forum: Solar Activity, Reports and Discussions

SDO images are featured in a slideshow on the BBC website In Pictures: Raw Power of the Sun. Check and see if favorites are there. More...

A very energetic active region popped off four X-flares (largest class) in just two days... More...

AR 11748 unleashed another X-class flare last night. It was an X1.2, peaking at 0148 UTC, 15-May-2013 (9:48 pm ET, 14-May-2013). The location was...

A movie in AIA 304 covering all three X-class flares we saw since Monday morning. There were a lot of little flares from the same region. Lots of...

The Sun unleashed another X-class flare last night, the third in 24 hours. They have all come from the same active region, which is AR 11748 but the...

Here's a movie of the second X-class flare, which erupted at 1605 UTC on 13-May-2013. This movie uses the AIA 131 passband, which is measuring plasma...

Last night at 0200 UTC (10:00 pm ET) the Sun unleashed a an X1.7 flare! It was over the east limb (left edge of SDO images) from the viewpoint of...

For a second week in a row, coronal mass ejections were being blasted out from the Sun at a pace of almost two per day... More...

Comet C/2012 F6 (Lemmon), which was discovered in March of 2012 by a survey at the Mt. Lemmon Observatory in Arizona, glided through... ...

NOAA announced that the solar X-Ray Flux exceeded M5, 2013 May 03 1729 UTC (2:29 pm ET). Here's a view of the peak brightness of the flare from the...

Check out the Weather Channel website. There are several movies from SDO and even one about a special bird named Camilla! I also saw a story about...

The "Three Years of SDO Images" shows two bands of bright coronal loops in the 171 time-lapse image. Several people have asked whether this is real....

Coronal mass ejections were popping out from the Sun at a pace of two per day on average... More...

From SDO to NPR to you. Stunning Video: 3 Years Of The Sun In 3 Minutes http://n.pr/14PRRDA Produced by Scott Weissinger, looks great! ...

HMI has returned to normal operations. The HMI team at LMSAL and Stanford will closely monitor the instrument to verify its performance. We don't...

Last night the HMI instrument rebooted and stopped producing science data. The HMI team has made sure the instrument is safe by rebooting and testing...

A coronal mass ejection (CME), associated with a solar flare, sent a cloud of particles to its right out... More...

Today, starting at 1315 UTC (9:15 am ET), SDO executed the EVE Field of View maneuver followed by the HMI/AIA Flatfield at 1630 UTC (10:30 am ET)....

We are experiencing a system outage that is interrupting the automatic web updating of SDO images. The spacecraft is still fine and is collecting...

The Sun's edge blossomed with all sorts of loops and arcs reaching out from a pair of active regions... More...

After weeks of little activity, the Sun erupted with an M6.5 class flare today. At 0711 UTC (3:11 am ET) active region 11719 erupted. AR 11719 is a...

Today at 1800 UTC (2 pm ET) SDO will execute an EVE cruciform maneuver. SDO will nod back and forth and up and down. These motions allow EVE to...

A prominence rose up and emerged over the Sun?s edge at the upper right of the Sun, followed almost immediately by a similar eruption in the southern...

Today we ran an HMI roll maneuver from 0550-1230 UTC (00:40-7:30 ET). The entire SDO spacecraft is spun around so that HMI can verify its operation...

SOHO images are revealing a sight no one else gets to see: Venus, Mars and Uranus are all crowding into the same picture... More...

The Sun blasted out a broad and sizeable coronal mass ejection... More...

March 14 is <i> More...