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Sun flares

X-ray index

X-ray index

Diagram of the solar flare activity

X-ray emission of the Sun on May 20, 2023 and May 21, 2023 (GOES-16)

X-ray emission of the Sun on May 20, 2023 and May 21, 2023

Solar flares on May 21, 2023

13 solar flares were observed :

 Active regionBegin, UTMax, UTEnd, UT
Flare of class C9.8330521:36:0021:57:0022:13:00
Flare of class C4.3330520:55:0021:01:0021:16:00
Flare of class M2.6331115:49:0016:04:0016:18:00
Flare of class C4.6330515:04:0015:17:0015:29:00
Flare of class C5.4330511:20:0011:30:0011:45:00
Flare of class C4.9331108:27:0008:34:0008:48:00
Flare of class C4.5330507:40:0007:59:0008:12:00
Flare of class C4.1330506:40:0006:49:0006:53:00
Flare of class C3.0331105:30:0005:40:0006:04:00
Flare of class C3.0331104:57:0005:03:0005:08:00
Flare of class C4.9331103:51:0003:57:0004:05:00
Flare of class M1.4331102:18:0002:23:0002:33:00
Flare of class C2.5330500:59:0001:06:0001:14:00

Solar flares on May 20, 2023

27 solar flares were observed :

 Active regionBegin, UTMax, UTEnd, UT
Flare of class M5.1331122:52:0023:06:0023:21:00
Flare of class C6.1331120:57:0021:04:0021:14:00
Flare of class C6.4330520:19:0020:28:0020:34:00
Flare of class C5.1330519:57:0020:17:0020:19:00
Flare of class C3.6331219:37:0019:45:0019:57:00
Flare of class M1.1331118:57:0019:03:0019:07:00
Flare of class C7.2331118:42:0018:54:0018:57:00
Flare of class C4.7331117:59:0018:08:0018:15:00
Flare of class C3.7331117:37:0017:46:0017:59:00
Flare of class C4.9331117:00:0017:05:0017:09:00
Flare of class C4.1331116:48:0016:54:0016:58:00
Flare of class C3.3331116:14:0016:18:0016:30:00
Flare of class M5.6331114:54:0015:00:0015:04:00
Flare of class C7.2331114:18:0014:25:0014:33:00
Flare of class M8.9331112:25:0012:35:0012:40:00
Flare of class M1.6331110:48:0010:54:0011:10:00
Flare of class M1.1331209:18:0009:27:0009:32:00
Flare of class M6.4331107:16:0007:32:0007:36:00
Flare of class M1.0331106:49:0007:02:0007:12:00
Flare of class C3.2331105:42:0005:53:0006:01:00
Flare of class C6.9331204:36:0004:50:0004:57:00
Flare of class C3.2331204:18:0004:24:0004:30:00
Flare of class C5.1330503:08:0003:17:0003:22:00
Flare of class C5.4331102:37:0002:40:0002:44:00
Flare of class C4.9331102:24:0002:33:0002:37:00
Flare of class C2.7330500:37:0000:47:0001:02:00
Flare of class C2.9331200:13:0000:23:0000:29:00