RUSENG

Diary

Jun 1, 2020
The first major spike in solar activity in the new cycle has ended
May 29, 2020
The major spike in solar activity in recent years continues - new largest solar flare has occurred
May 29, 2020
The largest flare in the last three years occured on Sun

Diary's archive

Sun flares

Dec 31, 2021

X-ray index

X-ray index

Diagram of the solar flare activity

X-ray emission of the Sun on Dec 30, 2021 and Dec 31, 2021 (GOES-16)

X-ray emission of the Sun on Dec 30, 2021 and Dec 31, 2021

Solar flares on Dec 31, 2021

5 solar flares were observed :

	Active region	Begin, UT	Max, UT	End, UT
Flare of class C8.1	2918	19:32:00	19:46:00	20:02:00
Flare of class C1.2	0	17:11:00	17:25:00	17:40:00
Flare of class C9.8	2918	06:46:00	06:56:00	07:06:00
Flare of class C4.5	2918	06:26:00	06:41:00	06:46:00
Flare of class C1.9	2918	04:44:00	04:54:00	05:07:00

Solar flares on Dec 30, 2021

No solar flares of C, M and X-class were observed