AR12818 History

History of Active Region 12818

Description of the Active Region and a summary of flaring activity:

DATE	TYP	AREA	NSPOT	ZMCINT	MCLASS	C	M	X	TOTAL	SMON
2021-04-19						0	0	0	2
2021-04-20						0	0	0	0
2021-04-21	A	90	1	Hsx	α	0	0	0	0	Link
2021-04-22	A	40	1	Hsx	α	0	0	0	0	Link
2021-04-23	A	50	1	Hsx	α	1	0	0	1	Link
2021-04-24	A	50	1	Hsx	α	0	0	0	10	Link
2021-04-25	A	40	1	Hsx	α	0	0	0	5	Link
2021-04-26	A	40	1	Hsx	α	0	0	0	15	Link
2021-04-27	A	40	1	Hsx	α	0	0	0	1	Link
2021-04-28	A	10	1	Hsx	α	0	0	0	2	Link
2021-04-29	A	10	1	Hsx	α	0	0	0	0	Link
2021-04-30	A	20	1	Hsx	α	0	0	0	0	Link
2021-05-01	A	20	1	Hsx	α	0	0	0	0	Link
2021-05-02	A	10	1	Axx	α	0	0	0	0	Link

The contents of the table and page are described here.

Follow the link of the first Date with details to see the page showing the location of the active region overplotted with flares for this date; you can step through subsequent dates using the arrows at the top.

Follow the Link in the right hand column to examine SolarMonitor images for each date. Use this [Pop-up] to go directly to the magnetic field data; click on the icons at the bottom to change wavelength.

Searches of the HELIO Heliohysics Event Catalogue (HEC) for the Active Region:

NOAA Active Region Summaries for AR 12818 (List: noaa_active_region_summary)
SXR flares from AR 12818 with X-ray Class ≥C1.0 (List: gevloc_sxr_flare)
CMEs and Dimmings when AR 12818 was on the disk (Lists: cactus_all, sdemon_dimming)

Step to adjacent Active Region No.: 12817 <= 12818 => 12819

Created and maintained by UCL–MSSL

Development supported by