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CMEs in 1998 May (Back)
| No. | First C2 Appearance UT | Location (Apparent Loc) deg | DSC Rs | SPA deg | CPA deg | MPA deg | Width deg | Speed km/s | Acc m/s^2 | Def | EIT Ref-Time UT | CL | Comment | |
| 1 | 1998/05/01 | 00:58:05 | Above Limb | ----- | 136.0 | 120 | 121 | 44 | 859 | 52.6 | E | 1998/05/01 00:52:17 | 1 | |
| 2 | 1998/05/01 | 08:27:30 | Above Limb | ----- | 47.0 | 59 | 62 | 25 | 559 | -20.2 | E | 1998/05/01 08:09:11 | 1 | |
| 3 | 1998/05/01 | 10:06:21 | No Signature | ----- | ----- | 97 | 91 | 22 | 182 | ------ | -- | ----- | 1 | |
| 4 | 1998/05/01 | 23:40:09 | S19W02 (S15W02) | 0.27 | 189.6 | Halo | 126 | 360 | 585 | 8.0 | E | 1998/05/01 22:58:15 | 2 | |
| 5 | 1998/05/02 | 05:31:56 | S17W10 (S13W09) | 0.29 | 215.4 | Halo | 154 | 360 | 542 | -1.4 | E | 1998/05/02 04:37:09 | 1 | |
| 6 | 1998/05/02 | 14:06:12 | S14W15 (S10W14) | 0.31 | 232.8 | Halo | 331 | 360 | 938 | -28.8 | E | 1998/05/02 13:42:05 | 1 | |
| 7 | 1998/05/02 | 21:20:36 | S20W18 (S16W17) | 0.41 | 225.1 | 226 | 221 | 49 | 338 | -15.3 | R | 1998/05/02 20:52:02 | 1 | |
| 8 | 1998/05/03 | 03:16:40 | No Signature | ----- | ----- | 281 | 296 | 22 | 399 | -5.9 | -- | ----- | 1 | |
| 9 | 1998/05/03 | 10:29:52 | S14W31 (S10W31) | 0.54 | 249.6 | 241 | 239 | 74 | 497 | -2.5 | R | 1998/05/03 09:26:26 | 1 | |
| 10 | 1998/05/03 | 16:20:28 | No Signature | ----- | ----- | 289 | 288 | 8 | 181 | 11.2 | -- | ----- | 1 | |
| 11 | 1998/05/03 | 18:59:52 | Above Limb | ----- | 114.4 | 115 | 102 | 21 | 345 | 4.7 | R | 1998/05/03 18:54:02 | 2 | |
| 12 | 1998/05/03 | 22:02:55 | S15W35 (S12W34) | 0.60 | 248.8 | 317 | 302 | 194 | 649 | 2.5 | E | 1998/05/03 21:25:35 | 1 | |
| 13 | 1998/05/04 | 00:58:07 | S14W41 (S11W40) | 0.67 | 252.6 | 270 | 278 | 66 | 279 | ------ | E | 1998/05/04 00:34:11 | 1 | |
| 14 | 1998/05/04 | 05:28:14 | S20E75 (S18E72) | 0.96 | 109.7 | 99 | 96 | 50 | 403 | -16.6 | E | 1998/05/04 04:55:49 | 2 | |
| 15 | 1998/05/04 | 23:27:06 | S20W43 (S17W41) | 0.71 | 244.2 | 240 | 242 | 39 | 338 | -9.3 | R | 1998/05/04 23:05:02 | 1 | |
| 16 | 1998/05/05 | 00:58:23 | S13W48 (S11W47) | 0.75 | 255.0 | 319 | 314 | 60 | 218 | 0.5 | E | 1998/05/05 00:34:29 | 1 | |
| 17 | 1998/05/06 | 00:02:06 | S21W59 (S19W57) | 0.86 | 247.3 | 274 | 235 | 110 | 786 | -9.7 | E | 1998/05/05 23:36:38 | 1 | |
| 18 | 1998/05/06 | 02:28:31 | N25E75 (N26E75) | 0.97 | 62.7 | 88 | 59 | 91 | 375 | 5.1 | E | 1998/05/06 01:58:28 | 1 | |
| 19 | 1998/05/06 | 08:29:13 | S15W67 (S14W65) | 0.92 | 254.7 | 309 | 294 | 190 | 1099 | 24.5 | E | 1998/05/06 08:10:52 | 1 | |
| 20 | 1998/05/06 | 09:32:35 | S13W75 (S12W72) | 0.96 | 257.3 | 328 | 253 | 248 | 792 | ------ | E | 1998/05/06 09:08:04 | 1 | |
| 21 | 1998/05/07 | 00:28:14 | N26W41 (N28W42) | 0.76 | 309.1 | 305 | 309 | 89 | 218 | 9.9 | R | 1998/05/06 23:54:33 | 1 | |
| 22 | 1998/05/07 | 01:30:31 | S22E79 (S21E75) | 0.97 | 112.5 | 87 | 101 | 71 | 455 | 0.9 | E | 1998/05/07 00:52:18 | 1 | |
| 23 | 1998/05/07 | 10:29:54 | Above Limb | ----- | 67.3 | 73 | 70 | 53 | 314 | 6.3 | R | 1998/05/07 09:59:53 | 1 | |
| 24 | 1998/05/07 | 11:05:46 | S15W80 (S14W76) | 0.98 | 255.3 | 270 | 261 | 16 | 483 | -31.0 | E | 1998/05/07 10:39:11 | 2 | |
| 25 | 1998/05/07 | 19:12:53 | N33E55 (N34E56) | 0.89 | 50.1 | 55 | 52 | 37 | 607 | 6.9 | R | 1998/05/07 19:00:30 | 1 | |
| 26 | 1998/05/08 | 02:28:32 | Above Limb | ----- | 255.5 | 287 | 278 | 76 | 371 | -0.1 | E | 1998/05/08 01:58:27 | 1 | |
| 27 | 1998/05/08 | 06:27:05 | Above Limb | ----- | 249.4 | 245 | 245 | 75 | 1265 | -61.9 | R | 1998/05/08 06:04:15 | 1 | |
| 28 | 1998/05/08 | 08:05:49 | N22E83 (N22E80) | 0.99 | 66.9 | 81 | 87 | 39 | 334 | 10.9 | E | 1998/05/08 07:40:22 | 1 | |
| 29 | 1998/05/08 | 13:01:23 | No Signature | ----- | ----- | 84 | 84 | 28 | 520 | 35.1 | -- | ----- | 2 | |
| 30 | 1998/05/08 | 13:01:23 | Above Limb | ----- | 252.8 | 248 | 252 | 85 | 432 | -2.0 | R | 1998/05/08 12:38:04 | 1 | |
| 31 | 1998/05/08 | 14:32:49 | S16W89 (S16W89) | 1.00 | 253.7 | 259 | 275 | 80 | 777 | ------ | R | 1998/05/08 14:13:30 | 1 | |
| 32 | 1998/05/08 | 15:04:20 | No Signature | ----- | ----- | 125 | 117 | 27 | 348 | 12.0 | -- | ----- | 1 | |
| 33 | 1998/05/08 | 18:27:07 | Above Limb | ----- | 122.6 | 102 | 92 | 11 | 312 | -2.5 | E | 1998/05/08 17:35:24 | 1 | |
| 34 | 1998/05/08 | 23:10:58 | Above Limb | ----- | 120.1 | 104 | 93 | 91 | 685 | 16.2 | E | 1998/05/08 23:00:20 | 1 | |
| 35 | 1998/05/09 | 01:04:39 | Above Limb | ----- | 253.6 | 255 | 255 | 19 | 118 | ------ | R | 1998/05/09 02:04:54 | 1 | |
| 36 | 1998/05/09 | 03:35:58 | Above Limb | ----- | 257.9 | 262 | 275 | 178 | 2331 | -140.5 | R | 1998/05/09 03:30:09 | 1 | |
| 37 | 1998/05/09 | 15:18:25 | Above Limb | ----- | 241.9 | 228 | 242 | 46 | 533 | -0.9 | P | 1998/05/09 15:37:46 | 1 | |
| 38 | 1998/05/09 | 20:04:56 | Above Limb | ----- | 244.5 | 266 | 245 | 129 | 1278 | -39.2 | E | 1998/05/09 20:23:23 | 1 | |
| 39 | 1998/05/10 | 05:55:25 | No Signature | ----- | ----- | 270 | 279 | 37 | 371 | 16.0 | -- | ----- | 2 | |
| 40 | 1998/05/10 | 08:29:19 | S23W88 (S23W86) | 1.00 | 246.8 | 266 | 275 | 17 | 689 | -3.9 | E | 1998/05/10 07:59:10 | 1 | |
| 41 | 1998/05/10 | 10:30:07 | Above Limb | ----- | 243.8 | 242 | 247 | 80 | 283 | -15.6 | R | 1998/05/10 10:24:18 | 2 | |
| 42 | 1998/05/10 | 14:07:01 | Above Limb | ----- | 232.0 | 222 | 248 | 64 | 625 | -4.8 | R | 1998/05/10 14:12:55 | 1 | |
| 43 | 1998/05/11 | 02:59:53 | S16W77 (S15W74) | 0.97 | 254.1 | 280 | 287 | 3 | 345 | -6.0 | E | 1998/05/11 01:58:58 | 1 | |
| 44 | 1998/05/11 | 05:21:53 | Poor Data | ----- | ----- | 278 | 291 | 33 | 363 | -1.2 | -- | ----- | - | |
| 45 | 1998/05/11 | 14:27:05 | Above Limb | ----- | 267.9 | 210 | 234 | 83 | 621 | 15.9 | P | 1998/05/11 13:54:35 | 1 | |
| 46 | 1998/05/11 | 14:27:05 | Above Limb | ----- | 216.8 | 287 | 272 | 78 | 660 | 8.9 | E | 1998/05/11 14:06:24 | 1 | |
| 47 | 1998/05/11 | 21:55:22 | Above Limb | ----- | 267.3 | 208 | 284 | 301 | 830 | -4.7 | P | 1998/05/11 22:20:10 | 1 | |
| 48 | 1998/05/12 | 03:55:21 | N27E42 (N28E43) | 0.77 | 51.2 | 61 | 59 | 72 | 655 | 14.3 | R | 1998/05/12 03:51:10 | 1 | |
| 49 | 1998/05/12 | 06:27:05 | No Signature | ----- | ----- | 209 | 214 | 79 | 255 | -15.9 | -- | ----- | 1 | |
| 50 | 1998/05/12 | 08:55:20 | Above Limb | ----- | 227.7 | 210 | 228 | 225 | 1073 | -8.3 | P | 1998/05/12 08:20:11 | 1 | |
| 51 | 1998/05/12 | 15:55:23 | N21E64 (N22E63) | 0.91 | 64.9 | 65 | 68 | 8 | 404 | 6.5 | R | 1998/05/12 15:04:31 | 3 | |
| 52 | 1998/05/12 | 15:55:23 | Above Limb | ----- | 244.9 | 272 | 284 | 56 | 560 | 26.2 | E | 1998/05/12 15:20:38 | 1 | |
| 53 | 1998/05/12 | 23:55:22 | Above Limb | ----- | 276.1 | 207 | 310 | 267 | 619 | -6.4 | E | 1998/05/12 23:51:09 | 1 | |
| 54 | 1998/05/13 | 04:26:06 | No Signature | ----- | ----- | 17 | 20 | 43 | 347 | -10.4 | -- | ----- | 2 | |
| 55 | 1998/05/13 | 05:27:08 | Above Limb | ----- | 280.9 | 254 | 262 | 36 | 983 | -11.2 | E | 1998/05/13 05:35:24 | 2 | |
| 56 | 1998/05/13 | 12:55:19 | No Signature | ----- | ----- | 271 | 276 | 5 | 362 | -62.9 | -- | ----- | 1 | |
| 57 | 1998/05/13 | 15:27:06 | No Signature | ----- | ----- | 276 | 284 | 23 | 398 | 5.2 | -- | ----- | 1 | |
| 58 | 1998/05/13 | 19:50:50 | Poor Data | ----- | ----- | 339 | 340 | 59 | 238 | 2.2 | -- | ----- | - | |
| 59 | 1998/05/14 | 03:55:23 | Above Limb | ----- | 278.2 | 267 | 272 | 246 | 351 | -2.1 | E | 1998/05/14 03:51:09 | 1 | |
| 60 | 1998/05/14 | 16:55:05 | No Signature | ----- | ----- | 316 | 322 | 28 | 492 | -9.1 | -- | ----- | 1 | |
| 61 | 1998/05/16 | 01:55:23 | Poor Data | ----- | ----- | 270 | 268 | 98 | 529 | 8.4 | -- | ----- | - | |
| 62 | 1998/05/16 | 04:26:05 | Poor Data | ----- | ----- | 300 | 300 | 35 | ---- | ------ | -- | ----- | - | |
| 63 | 1998/05/17 | 09:55:23 | Poor Data | ----- | ----- | 95 | 95 | 28 | 148 | -14.5 | -- | ----- | - | |
| 64 | 1998/05/17 | 14:27:05 | Poor Data | ----- | ----- | 302 | 300 | 11 | 461 | 1.9 | -- | ----- | - | |
| 65 | 1998/05/18 | 04:01:59 | N29W66 (N29W66) | 0.94 | 302.0 | 299 | 302 | 20 | 336 | -2.0 | R | 1998/05/18 03:04:52 | 2 | |
| 66 | 1998/05/19 | 01:27:05 | Above Limb | ----- | 110.3 | 115 | 120 | 99 | 614 | 15.8 | R | 1998/05/19 01:14:14 | 1 | |
| 67 | 1998/05/19 | 10:27:06 | N21W45 (N22W46) | 0.77 | 299.9 | 268 | 311 | 139 | 801 | 18.1 | E | 1998/05/19 09:56:32 | 1 | |
| 68 | 1998/05/19 | 16:36:41 | Poor Data | ----- | ----- | 246 | 239 | 46 | 280 | 5.1 | -- | ----- | - | |
| 69 | 1998/05/20 | 00:29:05 | Above Limb | ----- | 102.5 | 98 | 96 | 43 | 255 | 14.5 | R | 1998/05/19 23:12:57 | 2 | |
| 70 | 1998/05/20 | 04:00:52 | Poor Data | ----- | ----- | 338 | 332 | 16 | 248 | 4.3 | -- | ----- | - | |
| 71 | 1998/05/20 | 16:00:52 | Above Limb | ----- | 232.9 | 243 | 259 | 75 | 164 | -4.9 | E | 1998/05/20 14:57:03 | 1 | |
| 72 | 1998/05/21 | 05:27:34 | Above Limb | ----- | 292.7 | 294 | 299 | 51 | 822 | 11.9 | R | 1998/05/21 05:09:18 | 1 | |
| 73 | 1998/05/21 | 18:58:48 | Poor Data | ----- | ----- | 96 | 70 | 70 | 298 | 0.3 | -- | ----- | - | |
| 74 | 1998/05/22 | 08:33:03 | No Signature | ----- | ----- | 301 | 309 | 33 | 415 | -23.3 | -- | ----- | 2 | |
| 75 | 1998/05/22 | 10:35:40 | N03E73 (N03E71) | 0.95 | 86.1 | 95 | 99 | 82 | 382 | 1.5 | R | 1998/05/22 09:29:01 | 2 | |
| 76 | 1998/05/23 | 00:28:15 | S28W69 (S27W66) | 0.94 | 240.6 | 236 | 242 | 90 | 383 | -0.3 | R | 1998/05/22 23:51:10 | 3 | |
| 77 | 1998/05/24 | 01:30:29 | Above Limb | ----- | 53.1 | 62 | 61 | 18 | 347 | 6.5 | R | 1998/05/24 01:58:25 | 1 | |
| 78 | 1998/05/24 | 06:58:46 | S20E80 (S19E77) | 0.98 | 110.4 | 110 | 105 | 33 | 424 | 5.5 | R | 1998/05/24 06:06:44 | 3 | |
| 79 | 1998/05/24 | 09:01:25 | Above Limb | ----- | 51.7 | 68 | 63 | 41 | 444 | -11.3 | E | 1998/05/24 08:38:07 | 1 | |
| 80 | 1998/05/26 | 14:38:19 | N29E74 (N29E72) | 0.97 | 59.8 | 70 | 66 | 36 | 191 | 1.5 | E | 1998/05/26 14:08:25 | 3 | |
| 81 | 1998/05/26 | 20:04:13 | N20W47 (N20W47) | 0.77 | 297.4 | 296 | 288 | 40 | 302 | 10.6 | R | 1998/05/26 19:18:09 | 2 | |
| 82 | 1998/05/26 | 23:28:12 | No Signature | ----- | ----- | 30 | 35 | 31 | 226 | -0.5 | -- | ----- | 1 | |
| 83 | 1998/05/27 | 07:04:30 | N16W64 (N16W63) | 0.90 | 288.8 | 274 | 272 | 50 | 212 | 0.8 | E | 1998/05/27 07:24:25 | 1 | |
| 84 | 1998/05/27 | 13:45:42 | N18W66 (N18W66) | 0.92 | 290.2 | 175 | 306 | 268 | 878 | -3.7 | E | 1998/05/27 13:33:19 | 1 | |
| 85 | 1998/05/27 | 14:19:22 | No Signature | ----- | ----- | 116 | 100 | 94 | 172 | 4.3 | -- | ----- | 3 | |
| 86 | 1998/05/27 | 23:56:57 | N28E46 (N28E46) | 0.80 | 52.9 | 62 | 61 | 29 | 392 | -0.3 | R | 1998/05/27 23:20:10 | 1 | |
| 87 | 1998/05/28 | 04:00:52 | Above Limb | ----- | 276.9 | 280 | 274 | 72 | 516 | -13.5 | R | 1998/05/28 03:20:10 | 2 | |
| 88 | 1998/05/28 | 14:27:05 | N17W83 (N17W79) | 0.99 | 288.2 | 282 | 276 | 53 | ---- | ------ | R | 1998/05/28 14:06:55 | 1 | |
| 89 | 1998/05/28 | 18:58:46 | No Signature | ----- | ----- | 149 | 148 | 58 | 216 | 7.2 | -- | ----- | 1 | |
| 90 | 1998/05/28 | 19:31:14 | N16W89 (N15W82) | 0.99 | 286.1 | 286 | 280 | 48 | ---- | ------ | R | 1998/05/28 19:18:49 | 1 | |
| 91 | 1998/05/28 | 22:31:20 | Above Limb | ----- | 118.6 | 104 | 97 | 12 | 474 | -16.7 | E | 1998/05/28 22:10:50 | 1 | |
| 92 | 1998/05/29 | 00:28:13 | Above Limb | ----- | 116.3 | 110 | 100 | 8 | 395 | -58.6 | R | 1998/05/29 00:20:10 | 1 | |
| 93 | 1998/05/29 | 01:30:32 | Above Limb | ----- | 268.2 | 274 | 269 | 91 | 489 | 0.6 | R | 1998/05/29 01:38:48 | 1 | |
| 94 | 1998/05/29 | 11:27:05 | S19E86 (S18E80) | 0.99 | 109.2 | 73 | 76 | 63 | 224 | -1.8 | E | 1998/05/29 10:57:42 | 1 | |
| 95 | 1998/05/29 | 13:31:10 | N46W31 (N47W31) | 0.82 | 334.3 | 347 | 10 | 86 | 288 | 3.6 | P | 1998/05/29 13:18:46 | 2 | |
| 96 | 1998/05/29 | 18:58:49 | S27E89 (S27E80) | 0.99 | 117.3 | 107 | 95 | 26 | 750 | -11.1 | E | 1998/05/29 18:35:25 | 1 | |
| 97 | 1998/05/29 | 22:30:49 | N16W89 (N15W85) | 1.00 | 286.0 | 281 | 268 | 83 | 680 | -30.4 | R | 1998/05/29 22:10:18 | 1 | |
| 98 | 1998/05/30 | 02:27:57 | No Signature | ----- | ----- | 72 | 55 | 61 | 469 | -4.3 | -- | ----- | 1 | |
| 99 | 1998/05/30 | 06:06:56 | Above Limb | ----- | 244.0 | 258 | 257 | 20 | 654 | -58.9 | E | 1998/05/30 05:27:26 | 3 | |
| 100 | 1998/05/30 | 06:56:44 | No Signature | ----- | ----- | 64 | 60 | 19 | 546 | -21.2 | -- | ----- | 1 | |
| 101 | 1998/05/30 | 10:27:06 | No Signature | ----- | ----- | 300 | 300 | 4 | 275 | -24.4 | -- | ----- | 1 | |
| 102 | 1998/05/30 | 15:54:16 | Poor Data | ----- | ----- | 81 | 82 | 92 | 367 | 1.5 | -- | ----- | - | |
| 103 | 1998/05/30 | 16:02:33 | Poor Data | ----- | ----- | 296 | 300 | 8 | 649 | -30.6 | -- | ----- | - | |
| 104 | 1998/05/30 | 23:28:13 | Above Limb | ----- | 264.4 | 251 | 269 | 63 | 594 | -10.3 | P | 1998/05/30 23:20:10 | 1 | |
| 105 | 1998/05/31 | 04:26:05 | S26E72 (S26E69) | 0.95 | 117.8 | 88 | 84 | 112 | 693 | 8.7 | E | 1998/05/31 03:20:10 | 1 | |
| 106 | 1998/05/31 | 15:27:05 | Poor Data | ----- | ----- | 137 | 142 | 28 | 637 | 16.9 | -- | ----- | - | |
| == Description == :: First C2 Appearance - Taken from the SOHO/LASCO CME Catalog :: Location (Apparent Loc) - Latitude and longitude of CME source region in the heliographic coordinate. The latitude and longitude in parentheses indicates the source region location without solar b angle correction. :: DSC - Projected distance on the plane-of-sky from the solar center to CME source region. :: SPA - Position angle of CME apparent location. :: CPA - Central position angle. :: MPA - Measurement position angle. :: Width - Angular width. :: Speed - Linear speed. :: Acc - Acceleration. :: Def - Deflection. E: Equator-ward, P: Pole-ward, R: Radial event. :: EIT Ref-Time - A time when the EIT image shows CME initiation clearly. :: CL - The confidence level of the identification. :: The parameters in the columns 2, 6, 7, 8 and 9 are adopted from CDAW CME Catalog. == The LIST OF CME SOURCE LOCATIONS is generated == :: by the members of STEP Team at USTC: Yuming Wang, Caixia Chen, Bin Gui, Chenglong Shen and Pinzhong Ye :: based on the SOHO/LASCO CME CATALOG generated and maintained at the CDAW Data Center by NASA and The Catholic University of America in cooperation with the Naval Research Laboratory :: and the SOHO/EIT MVI movies generated by the Naval Research Laboratory. :: Comments or questions about this list could be addressed to Dr. Yuming Wang (ymwang@ustc.edu.cn), :: or written here. |
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