IMO/LISTADO DE RADIANTES MAS NOTABLES 2003 Shower Activity Maximum Radiant V r ZHR IMO Period Date lambda alpha delta Code ° ° ° km/s Quadrantids Jan 01-Jan 05 Jan 04 283.16 230 +49 41 2.1 120 QUA delta-Cancrids Jan 01-Jan 24 Jan 17 297 130 +20 28 3.0 4 DCA alpha-Centaurids Jan 28-Feb 21 Feb 08 319.2 210 -59 56 2.0 6 ACE delta-Leonids Feb 15-Mar 10 Feb 25 336 168 +16 23 3.0 2 DLE gamma-Normids Feb 25-Mar 22 Mar 13 353 249 -51 56 2.4 8 GNO Virginids Jan 25-Apr 15 (Mar 24)(004) 195 -04 30 3.0 5 VIR Lyrids Apr 16-Apr 25 Apr 21 032.1 271 +34 49 2.9 15 LYR pi-Puppids Apr 15-Apr 28 Apr 23 033.5 110 -45 18 2.0 var. PPU eta-Aquarids Apr 19-May 28 May 05 045.5 338 -01 66 2.7 60 ETA} Sagittarids Apr 15-Jul 15 (May 19)(059) 247 -22 30 2.5 5 SAG June Bootids Jun 26-Jul 02 Jun 27 095.7 224 +48 18 2.2 var. JBO Pegasids Jul 07-Jul 13 Jul 09 107.5 340 +15 70 3.0 3 JPE July Phoenicids Jul 10-Jul 16 Jul 13 111 032 -48 47 3.0 var. PHE Piscis Austrinids Jul 15-Aug 10 Jul 27 125 341 -30 35 3.2 5 PAU Southern delta-Aquarids Jul 12-Aug 19 Jul 27 125 339 -16 41 3.2 20 SDA alpha-Capricornids Jul 03-Aug 15 Jul 29 127 307 -10 25 2.5 4 CAP Southern iota-Aquarids Jul 25-Aug 15 Aug 04 132 334 -15 34 2.9 2 SIA Northern delta-Aquarids Jul 15-Aug 25 Aug 08 136 335 -05 42 3.4 4 NDA Perseids Jul 17-Aug 24 Aug 12 139.8 046 +58 59 2.6 140 PER kappa-Cygnids Aug 03-Aug 25 Aug 17 145 286 +59 25 3.0 3 KCG Northern iota-Aquarids Aug 11-Aug 31 Aug 19 147 327 -06 31 3.2 3 NIA alpha-Aurigids Aug 25-Sep 05 Aug 31 158.6 084 +42 66 2.5 10 AUR delta-Aurigids Sep 05-Oct 10 Sep 08 166 060 +47 64 3.0 6 DAU Piscids Sep 01-Sep 30 Sep 19 177 005 -01 26 3.0 3 SPI Draconids Oct 06-Oct 10 Oct 08 195.4 262 +54 20 2.6 var. GIA epsilon-Geminids Oct 14-Oct 27 Oct 18 205 102 +27 70 3.0 2 EGE Orionids Oct 02-Nov 07 Oct 21 208 095 +16 66 2.9 20 ORI Southern Taurids Oct 01-Nov 25 Nov 05 223 052 +13 27 2.3 5 STA Northern Taurids Oct 01-Nov 25 Nov 12 230 058 +22 29 2.3 5 NTA Leonids Nov 14-Nov 21 Nov 17 235.27 153 +22 71 2.5 100+ LEO alpha-Monocerotids Nov 15-Nov 25 Nov 21 239.32 117 +01 65 2.4 var. AMO chi-Orionids Nov 26-Dec 15 Dec 01 250 082 +23 28 3.0 3 XOR Phoenicids Nov 28-Dec 09 Dec 06 254.25 018 -53 18 2.8 var. PHO Puppid-Velids Dec 01-Dec 15 (Dec 07)(255) 123 -45 40 2.9 10 PUP Monocerotids (Dec) Nov 27-Dec 17 Dec 09 257 100 +08 42 3.0 3 MON sigma-Hydrids Dec 03-Dec 15 Dec 11 260 127 +02 58 3.0 2 HYD Geminids Dec 07-Dec 17 Dec 13 262.0 112 +33 35 2.6 120 GEM Coma Berenicids Dec 12-Jan 23 Dec 19 268 175 +25 65 3.0 5 COM Ursids Dec 17-Dec 26 Dec 22 270.7 217 +76 33 3.0 10 URS