Sunday, May 25, 2025
X-class flare as observed by GONG
On 25 May 2025 at 1:46 UT, active region 14098 produced a major, X1.1 class flare. The flare was observed in spectral line H-alpha by GONG station at Big Bear, California. Left panel shows full disk image of the Sun at beginning of flare. White box marks approximate location of flaring active region. Middle panels show enlarged areas of this region during the first three minutes of flare. Panels on the right are images from LASCO C2 coronagraph showing a propagation of a Coronal Mass Ejection (CME) associated with this flare. The CME first appears in LASCO C2 observations at 02:24 UT or 38 minutes after the flare first observed by GONG.
Subscribe to:
Post Comments (Atom)
Update on GONG/CTIO
GONG at CTIO* continues to be down in aftermath of an exceptionally powerful winter storm system . Here is a brief update from the Observato...
-
The peakfind results for GONG Month 302 show that the frequency shifts have started to decrease indicating that the solar maximum has alrea...
-
On 26 August 2025, GONG at Learmonth (Australia) caught C6.2 flare in active region 14199 near solar East limb. Only a small eruption associ...
-
A notification was posted on the BVES website regarding the outage: Southern California Edison (SCE)- Restoration and Continued Public S...

No comments:
Post a Comment