Solar Demon Dimming Detection (qlk)

Quick-look! running in real time on SDO/AIA 211 QLK data
3 minute cadence, typical delay 15 minutes
(detection version 1.00)

(view all Solar Demon detection tools)

	Overview of dimming 14833
Detector 24h operating status: Last processed image: 0 hours and 25 minutes ago (2026-01-11 08:21 UTC) Last detected dimming: 11 hours and 33 minutes ago (2026-01-10 21:12 UTC) Overview for dimming #: 14833 back to overview Animations and graphs derotated original images ( non-derotated ) dimming intensity ( overlaid on HMI ) dimming mask base difference ( percentage ) running difference ( percentage )	more	more	more

Details for dimming #: 14833
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-01-08 15:09:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3639202

2026-01-08 15:12:11 2 -0.8 -8.5 -28.1 0.1 27 , 0.00 3639203

2026-01-08 15:15:11 3 -4.0 -14.3 -16.2 0.6 195 -19.1 -0.7 -0.01, -0.27 0.27 0.00 3639206

2026-01-08 15:18:11 4 -7.3 -16.2 -14.5 1.4 424 -18.9 -0.8 -0.01, -0.26 0.26 0.00 3639207

2026-01-08 15:21:11 5 -13.3 -19.2 -11.8 3.1 928 -20.5 -1.9 -0.03, -0.29 0.29 0.00 3639212

2026-01-08 15:24:11 6 -18.3 -20.5 -11.2 4.6 1373 -24.1 -4.4 -0.07, -0.35 0.36 0.91 3639213

2026-01-08 15:27:11 7 -22.7 -22.2 -11.1 5.7 1710 -25.9 -6.0 -0.10, -0.38 0.39 0.00 3639214

2026-01-08 15:30:11 8 -28.0 -24.9 -10.7 7.2 2156 -27.8 -7.4 -0.12, -0.41 0.43 0.00 3639215

2026-01-08 15:33:11 9 -35.2 -27.6 -10.6 9.0 2671 -28.5 -8.0 -0.12, -0.42 0.44 0.00 3639220

2026-01-08 15:36:11 10 -39.6 -32.7 -10.9 10.0 2951 -31.6 -10.3 -0.15, -0.47 0.50 1.06 3639221

2026-01-08 15:39:11 11 -53.4 -38.3 -11.1 12.9 3751 -32.1 -10.4 -0.15, -0.48 0.51 4.90 3639222

2026-01-08 15:42:11 12 -69.5 -42.1 -11.8 15.7 4584 -30.7 -8.9 -0.13, -0.46 0.48 1.75 3639225

2026-01-08 15:45:11 13 -79.5 -47.5 -12.0 17.7 5138 -30.7 -9.1 -0.14, -0.46 0.48 2.26 3639226

2026-01-08 15:48:11 14 -87.3 -50.1 -12.2 18.9 5494 -30.4 -9.0 -0.14, -0.45 0.47 1.80 3639227

2026-01-08 15:51:11 15 -96.4 -54.0 -12.6 20.5 5931 -30.4 -9.2 -0.14, -0.45 0.47 2.30 3639232

2026-01-08 15:54:11 16 -106.3 -58.2 -13.2 21.8 6330 -30.7 -9.4 -0.14, -0.46 0.48 2.50 3639233

2026-01-08 15:57:11 17 -125.7 -62.1 -13.8 24.7 7171 -30.0 -8.9 -0.14, -0.45 0.47 3.85 3639234

2026-01-08 16:00:11 18 -140.7 -64.3 -14.5 26.8 7779 -29.7 -8.7 -0.13, -0.44 0.46 4.48 3639235

2026-01-08 16:03:11 19 -154.8 -66.9 -15.2 28.6 8279 -29.3 -8.5 -0.13, -0.44 0.46 4.39 3639238

2026-01-08 16:06:11 20 -167.0 -69.2 -15.4 30.7 8866 -29.1 -8.3 -0.13, -0.43 0.45 3.33 3639239

2026-01-08 16:09:11 21 -187.9 -71.8 -15.3 34.4 9942 -29.0 -8.3 -0.13, -0.43 0.45 5.56 3639242

2026-01-08 16:12:23 22 -207.4 -75.7 -15.8 36.7 10613 -29.0 -8.3 -0.13, -0.43 0.45 6.98 3639243

2026-01-08 16:15:11 23 -229.9 -78.2 -16.3 39.1 11276 -28.5 -7.8 -0.12, -0.42 0.44 8.38 3639246

2026-01-08 16:18:11 24 -253.0 -80.2 -16.2 42.5 12145 -27.9 -8.0 -0.12, -0.41 0.43 15.29 3639247

2026-01-08 16:21:11 25 -274.5 -93.9 -16.8 44.1 12597 -27.5 -7.8 -0.12, -0.41 0.42 3.74 3639252

2026-01-08 16:24:11 26 -289.7 -101.0 -16.8 45.7 13034 -27.3 -7.6 -0.12, -0.40 0.42 2.69 3639253

2026-01-08 16:27:11 27 -312.7 -102.2 -17.0 48.7 13874 -26.0 -7.2 -0.11, -0.38 0.40 2.85 3639254

2026-01-08 16:30:11 28 -326.3 -101.4 -17.0 50.3 14290 -26.1 -6.7 -0.11, -0.38 0.40 4.88 3639255

2026-01-08 16:33:11 29 -337.6 -94.9 -16.5 53.1 14964 -25.7 -6.7 -0.11, -0.38 0.39 2.03 3639260

2026-01-08 16:36:11 30 -346.3 -92.4 -16.3 55.2 15480 -25.0 -6.6 -0.11, -0.37 0.38 1.80 3639261

2026-01-08 16:39:11 31 -357.1 -94.1 -15.8 57.7 16075 -24.6 -6.6 -0.11, -0.36 0.37 3.99 3639262

2026-01-08 16:42:11 32 -372.3 -96.4 -14.8 62.6 17153 -24.1 -6.3 -0.10, -0.35 0.37 12.31 3639263

2026-01-08 16:45:11 33 -391.2 -97.5 -14.5 66.9 18249 -24.0 -6.2 -0.10, -0.35 0.36 12.18 3639266

2026-01-08 16:48:11 34 -396.3 -98.5 -14.2 69.4 18780 -23.8 -6.3 -0.10, -0.35 0.36 0.00 3639267

2026-01-08 16:51:11 35 -403.1 -98.7 -14.1 71.3 19215 -23.9 -6.4 -0.10, -0.35 0.36 0.00 3639272

2026-01-08 16:54:35 36 -413.0 -99.3 -13.9 75.0 20080 -23.8 -6.7 -0.11, -0.35 0.36 5.25 3639273

2026-01-08 16:57:11 37 -400.3 -99.9 -13.6 72.5 19551 -23.8 -6.4 -0.10, -0.35 0.36 1.21 3639274

2026-01-08 17:00:11 38 -424.3 -99.7 -13.6 76.7 20693 -22.9 -6.8 -0.11, -0.33 0.35 5.87 3639275

2026-01-08 17:03:11 39 -442.1 -99.7 -12.9 79.0 21588 -21.7 -6.3 -0.10, -0.31 0.33 9.19 3639278

2026-01-08 17:06:11 40 -465.7 -100.8 -13.2 79.4 21654 -20.4 -5.9 -0.10, -0.29 0.30 11.64 3639279

2026-01-08 17:09:11 41 -488.4 -137.9 -13.0 82.1 22452 -19.8 -5.9 -0.10, -0.28 0.30 18.29 3639282

2026-01-08 17:12:11 42 -491.8 -143.5 -13.2 82.0 22387 -19.3 -5.9 -0.10, -0.27 0.29 14.88 3639283

2026-01-08 17:15:11 43 -503.4 -144.4 -13.3 84.2 22811 -19.0 -6.0 -0.10, -0.27 0.28 7.57 3639286

2026-01-08 17:18:11 44 -507.9 -135.5 -13.3 85.4 23229 -18.9 -5.9 -0.10, -0.26 0.28 6.95 3639287

2026-01-08 17:21:11 45 -531.9 -137.1 -13.4 89.0 24081 -18.5 -5.7 -0.10, -0.26 0.27 10.30 3639292

2026-01-08 17:24:11 46 -547.0 -128.7 -13.5 91.8 24976 -18.5 -5.8 -0.10, -0.26 0.27 7.14 3639293

2026-01-08 17:27:11 47 -560.2 -122.8 -13.4 94.4 25865 -18.4 -5.9 -0.10, -0.25 0.27 4.91 3639294

2026-01-08 17:30:35 48 -576.4 -123.4 -13.6 96.8 26648 -18.1 -5.8 -0.10, -0.25 0.27 3.61 3639295

2026-01-08 17:33:11 49 -591.7 -126.1 -13.6 99.2 27385 -17.9 -5.9 -0.10, -0.25 0.26 2.26 3639299

2026-01-08 17:36:23 50 -596.5 -125.0 -13.9 98.3 27302 -17.7 -5.8 -0.10, -0.24 0.26 1.01 3639300

2026-01-08 17:39:11 51 -601.3 -119.0 -14.0 98.4 27414 -17.5 -5.6 -0.10, -0.24 0.26 0.86 3639301

2026-01-08 17:42:11 52 -608.1 -115.4 -14.2 98.9 27553 -17.5 -6.1 -0.10, -0.24 0.26 1.06 3639302

2026-01-08 17:45:11 53 -609.5 -109.0 -14.2 99.4 27701 -17.5 -6.8 -0.11, -0.24 0.26 1.39 3639306

2026-01-08 17:48:35 54 -618.1 -104.5 -14.0 99.8 27825 -16.9 -7.2 -0.12, -0.23 0.26 1.52 3639307

2026-01-08 17:51:11 55 -629.8 -103.6 -14.1 100.5 27968 -16.6 -7.3 -0.12, -0.22 0.26 0.94 3639312

2026-01-08 17:54:11 56 -639.3 -103.9 -14.5 99.9 27751 -16.2 -7.3 -0.12, -0.22 0.25 0.00 3639313

2026-01-08 17:57:11 57 -638.1 -103.2 -14.4 99.6 27623 -16.1 -7.5 -0.13, -0.22 0.25 0.00 3639314

2026-01-08 18:00:47 58 -641.8 -103.0 -14.5 102.9 27414 -15.8 -7.6 -0.13, -0.21 0.25 0.00 3639315

2026-01-08 18:03:11 59 -650.2 -103.6 -14.6 103.0 27395 -15.6 -7.7 -0.13, -0.21 0.25 0.00 3639317

2026-01-08 18:06:11 60 -657.4 -103.8 -14.7 103.4 27512 -15.5 -8.0 -0.14, -0.20 0.25 0.00 3639318

2026-01-08 18:09:11 61 -672.7 -104.5 -15.0 100.0 27740 -15.3 -8.1 -0.14, -0.20 0.24 0.00 3639322

2026-01-08 18:12:35 62 -691.1 -104.8 -14.9 106.2 28416 -15.1 -8.3 -0.14, -0.20 0.24 25.53 3639323

2026-01-08 18:15:11 63 -701.5 -106.3 -15.2 101.4 28284 -14.9 -8.1 -0.14, -0.20 0.24 24.87 3639326

2026-01-08 18:18:11 64 -709.6 -108.0 -15.4 101.8 28427 -14.8 -8.5 -0.14, -0.19 0.24 1.40 3639327

2026-01-08 18:21:11 65 -720.4 -109.3 -15.4 107.8 28851 -14.6 -8.6 -0.15, -0.19 0.24 1.54 3639330

2026-01-08 18:24:11 66 -733.0 -110.0 -15.5 108.8 29192 -14.5 -8.7 -0.15, -0.19 0.24 1.61 3639333

2026-01-08 18:27:11 67 -739.2 -120.6 -15.6 109.6 29383 -14.3 -8.9 -0.15, -0.18 0.24 1.26 3639334

2026-01-08 18:30:11 68 -743.7 -125.6 -15.5 109.3 29322 -14.1 -8.9 -0.15, -0.18 0.24 0.00 3639335

2026-01-08 18:33:11 69 -750.7 -125.9 -15.7 108.9 29226 -14.0 -8.8 -0.15, -0.18 0.23 0.00 3639340

2026-01-08 18:36:11 70 -754.8 -133.4 -15.7 109.0 29286 -14.0 -9.0 -0.15, -0.18 0.24 2.01 3639341

2026-01-08 18:39:11 71 -760.7 -135.9 -15.6 108.8 29244 -13.9 -9.1 -0.16, -0.18 0.24 0.00 3639342

The research leading to these results has received funding from the European Commission's Seventh Framework Programme (FP7/2007-2013) under the grant agreement nr. 263506 [AFFECTS], and grant agreement nr. 263252 [COMESEP]
Solar Demon is still under construction.
( Legal notices - SWSC (Volume 5, A18, 2015) research article:Solar Demon - an approach to detecting flares, dimmings, and EUV waves on SDO/AIA images )

time	seq #	total intensity	max intensity	median intensity	area	size	lat	lon	x,y in R☉	dist. R☉	detection	Img ID
2026-01-08 15:09:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3639202
2026-01-08 15:12:11	2	-0.8	-8.5	-28.1	0.1	27			,		0.00	3639203
2026-01-08 15:15:11	3	-4.0	-14.3	-16.2	0.6	195	-19.1	-0.7	-0.01, -0.27	0.27	0.00	3639206
2026-01-08 15:18:11	4	-7.3	-16.2	-14.5	1.4	424	-18.9	-0.8	-0.01, -0.26	0.26	0.00	3639207
2026-01-08 15:21:11	5	-13.3	-19.2	-11.8	3.1	928	-20.5	-1.9	-0.03, -0.29	0.29	0.00	3639212
2026-01-08 15:24:11	6	-18.3	-20.5	-11.2	4.6	1373	-24.1	-4.4	-0.07, -0.35	0.36	0.91	3639213
2026-01-08 15:27:11	7	-22.7	-22.2	-11.1	5.7	1710	-25.9	-6.0	-0.10, -0.38	0.39	0.00	3639214
2026-01-08 15:30:11	8	-28.0	-24.9	-10.7	7.2	2156	-27.8	-7.4	-0.12, -0.41	0.43	0.00	3639215
2026-01-08 15:33:11	9	-35.2	-27.6	-10.6	9.0	2671	-28.5	-8.0	-0.12, -0.42	0.44	0.00	3639220
2026-01-08 15:36:11	10	-39.6	-32.7	-10.9	10.0	2951	-31.6	-10.3	-0.15, -0.47	0.50	1.06	3639221
2026-01-08 15:39:11	11	-53.4	-38.3	-11.1	12.9	3751	-32.1	-10.4	-0.15, -0.48	0.51	4.90	3639222
2026-01-08 15:42:11	12	-69.5	-42.1	-11.8	15.7	4584	-30.7	-8.9	-0.13, -0.46	0.48	1.75	3639225
2026-01-08 15:45:11	13	-79.5	-47.5	-12.0	17.7	5138	-30.7	-9.1	-0.14, -0.46	0.48	2.26	3639226
2026-01-08 15:48:11	14	-87.3	-50.1	-12.2	18.9	5494	-30.4	-9.0	-0.14, -0.45	0.47	1.80	3639227
2026-01-08 15:51:11	15	-96.4	-54.0	-12.6	20.5	5931	-30.4	-9.2	-0.14, -0.45	0.47	2.30	3639232
2026-01-08 15:54:11	16	-106.3	-58.2	-13.2	21.8	6330	-30.7	-9.4	-0.14, -0.46	0.48	2.50	3639233
2026-01-08 15:57:11	17	-125.7	-62.1	-13.8	24.7	7171	-30.0	-8.9	-0.14, -0.45	0.47	3.85	3639234
2026-01-08 16:00:11	18	-140.7	-64.3	-14.5	26.8	7779	-29.7	-8.7	-0.13, -0.44	0.46	4.48	3639235
2026-01-08 16:03:11	19	-154.8	-66.9	-15.2	28.6	8279	-29.3	-8.5	-0.13, -0.44	0.46	4.39	3639238
2026-01-08 16:06:11	20	-167.0	-69.2	-15.4	30.7	8866	-29.1	-8.3	-0.13, -0.43	0.45	3.33	3639239
2026-01-08 16:09:11	21	-187.9	-71.8	-15.3	34.4	9942	-29.0	-8.3	-0.13, -0.43	0.45	5.56	3639242
2026-01-08 16:12:23	22	-207.4	-75.7	-15.8	36.7	10613	-29.0	-8.3	-0.13, -0.43	0.45	6.98	3639243
2026-01-08 16:15:11	23	-229.9	-78.2	-16.3	39.1	11276	-28.5	-7.8	-0.12, -0.42	0.44	8.38	3639246
2026-01-08 16:18:11	24	-253.0	-80.2	-16.2	42.5	12145	-27.9	-8.0	-0.12, -0.41	0.43	15.29	3639247
2026-01-08 16:21:11	25	-274.5	-93.9	-16.8	44.1	12597	-27.5	-7.8	-0.12, -0.41	0.42	3.74	3639252
2026-01-08 16:24:11	26	-289.7	-101.0	-16.8	45.7	13034	-27.3	-7.6	-0.12, -0.40	0.42	2.69	3639253
2026-01-08 16:27:11	27	-312.7	-102.2	-17.0	48.7	13874	-26.0	-7.2	-0.11, -0.38	0.40	2.85	3639254
2026-01-08 16:30:11	28	-326.3	-101.4	-17.0	50.3	14290	-26.1	-6.7	-0.11, -0.38	0.40	4.88	3639255
2026-01-08 16:33:11	29	-337.6	-94.9	-16.5	53.1	14964	-25.7	-6.7	-0.11, -0.38	0.39	2.03	3639260
2026-01-08 16:36:11	30	-346.3	-92.4	-16.3	55.2	15480	-25.0	-6.6	-0.11, -0.37	0.38	1.80	3639261
2026-01-08 16:39:11	31	-357.1	-94.1	-15.8	57.7	16075	-24.6	-6.6	-0.11, -0.36	0.37	3.99	3639262
2026-01-08 16:42:11	32	-372.3	-96.4	-14.8	62.6	17153	-24.1	-6.3	-0.10, -0.35	0.37	12.31	3639263
2026-01-08 16:45:11	33	-391.2	-97.5	-14.5	66.9	18249	-24.0	-6.2	-0.10, -0.35	0.36	12.18	3639266
2026-01-08 16:48:11	34	-396.3	-98.5	-14.2	69.4	18780	-23.8	-6.3	-0.10, -0.35	0.36	0.00	3639267
2026-01-08 16:51:11	35	-403.1	-98.7	-14.1	71.3	19215	-23.9	-6.4	-0.10, -0.35	0.36	0.00	3639272
2026-01-08 16:54:35	36	-413.0	-99.3	-13.9	75.0	20080	-23.8	-6.7	-0.11, -0.35	0.36	5.25	3639273
2026-01-08 16:57:11	37	-400.3	-99.9	-13.6	72.5	19551	-23.8	-6.4	-0.10, -0.35	0.36	1.21	3639274
2026-01-08 17:00:11	38	-424.3	-99.7	-13.6	76.7	20693	-22.9	-6.8	-0.11, -0.33	0.35	5.87	3639275
2026-01-08 17:03:11	39	-442.1	-99.7	-12.9	79.0	21588	-21.7	-6.3	-0.10, -0.31	0.33	9.19	3639278
2026-01-08 17:06:11	40	-465.7	-100.8	-13.2	79.4	21654	-20.4	-5.9	-0.10, -0.29	0.30	11.64	3639279
2026-01-08 17:09:11	41	-488.4	-137.9	-13.0	82.1	22452	-19.8	-5.9	-0.10, -0.28	0.30	18.29	3639282
2026-01-08 17:12:11	42	-491.8	-143.5	-13.2	82.0	22387	-19.3	-5.9	-0.10, -0.27	0.29	14.88	3639283
2026-01-08 17:15:11	43	-503.4	-144.4	-13.3	84.2	22811	-19.0	-6.0	-0.10, -0.27	0.28	7.57	3639286
2026-01-08 17:18:11	44	-507.9	-135.5	-13.3	85.4	23229	-18.9	-5.9	-0.10, -0.26	0.28	6.95	3639287
2026-01-08 17:21:11	45	-531.9	-137.1	-13.4	89.0	24081	-18.5	-5.7	-0.10, -0.26	0.27	10.30	3639292
2026-01-08 17:24:11	46	-547.0	-128.7	-13.5	91.8	24976	-18.5	-5.8	-0.10, -0.26	0.27	7.14	3639293
2026-01-08 17:27:11	47	-560.2	-122.8	-13.4	94.4	25865	-18.4	-5.9	-0.10, -0.25	0.27	4.91	3639294
2026-01-08 17:30:35	48	-576.4	-123.4	-13.6	96.8	26648	-18.1	-5.8	-0.10, -0.25	0.27	3.61	3639295
2026-01-08 17:33:11	49	-591.7	-126.1	-13.6	99.2	27385	-17.9	-5.9	-0.10, -0.25	0.26	2.26	3639299
2026-01-08 17:36:23	50	-596.5	-125.0	-13.9	98.3	27302	-17.7	-5.8	-0.10, -0.24	0.26	1.01	3639300
2026-01-08 17:39:11	51	-601.3	-119.0	-14.0	98.4	27414	-17.5	-5.6	-0.10, -0.24	0.26	0.86	3639301
2026-01-08 17:42:11	52	-608.1	-115.4	-14.2	98.9	27553	-17.5	-6.1	-0.10, -0.24	0.26	1.06	3639302
2026-01-08 17:45:11	53	-609.5	-109.0	-14.2	99.4	27701	-17.5	-6.8	-0.11, -0.24	0.26	1.39	3639306
2026-01-08 17:48:35	54	-618.1	-104.5	-14.0	99.8	27825	-16.9	-7.2	-0.12, -0.23	0.26	1.52	3639307
2026-01-08 17:51:11	55	-629.8	-103.6	-14.1	100.5	27968	-16.6	-7.3	-0.12, -0.22	0.26	0.94	3639312
2026-01-08 17:54:11	56	-639.3	-103.9	-14.5	99.9	27751	-16.2	-7.3	-0.12, -0.22	0.25	0.00	3639313
2026-01-08 17:57:11	57	-638.1	-103.2	-14.4	99.6	27623	-16.1	-7.5	-0.13, -0.22	0.25	0.00	3639314
2026-01-08 18:00:47	58	-641.8	-103.0	-14.5	102.9	27414	-15.8	-7.6	-0.13, -0.21	0.25	0.00	3639315
2026-01-08 18:03:11	59	-650.2	-103.6	-14.6	103.0	27395	-15.6	-7.7	-0.13, -0.21	0.25	0.00	3639317
2026-01-08 18:06:11	60	-657.4	-103.8	-14.7	103.4	27512	-15.5	-8.0	-0.14, -0.20	0.25	0.00	3639318
2026-01-08 18:09:11	61	-672.7	-104.5	-15.0	100.0	27740	-15.3	-8.1	-0.14, -0.20	0.24	0.00	3639322
2026-01-08 18:12:35	62	-691.1	-104.8	-14.9	106.2	28416	-15.1	-8.3	-0.14, -0.20	0.24	25.53	3639323
2026-01-08 18:15:11	63	-701.5	-106.3	-15.2	101.4	28284	-14.9	-8.1	-0.14, -0.20	0.24	24.87	3639326
2026-01-08 18:18:11	64	-709.6	-108.0	-15.4	101.8	28427	-14.8	-8.5	-0.14, -0.19	0.24	1.40	3639327
2026-01-08 18:21:11	65	-720.4	-109.3	-15.4	107.8	28851	-14.6	-8.6	-0.15, -0.19	0.24	1.54	3639330
2026-01-08 18:24:11	66	-733.0	-110.0	-15.5	108.8	29192	-14.5	-8.7	-0.15, -0.19	0.24	1.61	3639333
2026-01-08 18:27:11	67	-739.2	-120.6	-15.6	109.6	29383	-14.3	-8.9	-0.15, -0.18	0.24	1.26	3639334
2026-01-08 18:30:11	68	-743.7	-125.6	-15.5	109.3	29322	-14.1	-8.9	-0.15, -0.18	0.24	0.00	3639335
2026-01-08 18:33:11	69	-750.7	-125.9	-15.7	108.9	29226	-14.0	-8.8	-0.15, -0.18	0.23	0.00	3639340
2026-01-08 18:36:11	70	-754.8	-133.4	-15.7	109.0	29286	-14.0	-9.0	-0.15, -0.18	0.24	2.01	3639341
2026-01-08 18:39:11	71	-760.7	-135.9	-15.6	108.8	29244	-13.9	-9.1	-0.16, -0.18	0.24	0.00	3639342