BAA Radio Astronomy Group MAY

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1 BAA Radio Astronomy Group MAY Xray class Observers John Cook (23.4kHz/22.1kHz ) 0.58m frame aerial. Roberto Battaiola (21.75kHz) Modified AAVSO receiver. Andrew Lutley (23.4kHz) Tuned radios frequency receiver, 0.5m frame aerial. Bob Middlefell (22.1kHz) 0.5m frame aerial. Mark Edwards (21.75/24.0/37.5kHz ) Spectrum Lab / PC 2m loop aerial. DAY START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) 1 * 1 18:13 18:14 18: C :36 11:44 12: :26 11:41 12: :36 11:45 12: B :38 14:45 15: C :00 18:07 18: C :58 19:06 19: * 1 11:45 11:47 11: C :18 14:36 14: C :41 16:52 18: :41 16:52 17: C :49 14:54 15: ? 1 15:40 15:44 16: ? 1 17:38 17:52 18: C :27 19:29 19: C :38 19:39 19: C :34 08:39 08: :34 08:42 09: C :33 09:38 10: :33 09:39 10: C :59 11:00 11: :58 11:03 11: :08 12:13 12: C :15 13:17? - 13:14 13:19? - 5 M :21 13:32 15: :10 13:23 13: :20 13:27 14: :29 15:36 15: C :44 16:49 17: :44 16:49 16: :45 16:50 17: C :19 17:22 17: :18 17:25 17: :20 17:23 17: C :01 18:06 18: C :26 18:29 18: M C C :03 07:08 07: C :37 11:43 12: C :40 13:44 13: C :43 16:56? - 16:49 16:56? - 6 C :07 17:10 17: :08 17:10 17: M :45 17:50 18: :42 17:51 18: C :26 19:30 19: C :08 20:16 20: C C C C :04 11:07 11: :05 11:10 11: M :18 14:30 14: :01 14:27 14: :07 14:15 15: :08 14:29 15: C :23 17:28 18: :19 17:27 17: :21 17:26 18: :23 17:30 18: C :33 08:37 08: :36 08:38 09: C :25 09:29 09: :24 09:28 09: :26 09:29 09: * 1 09:46 09:47 10: C :38 10:42 11: M :07 13:10 13: :00 13:08 13: :23 13:28 14: :05 13:11 14: C :39 19:41 19: C :40 08:45 08: C :49 09:51 10: B :37 11:41 12: M :26 12:34 13: :24 12:33 13: M :07 14:11 14: :01 14:09 14: :05 14:10 15: * 1 15:26 15:28 15: C :34 16:43 17: C :13 18:16 18: C :51 20:54 20: M :02 21:07 21: M C C C C C C ? 1 10 C :41 13:45 15: C :56 17:00 17: C :15 08:19 08: C :33 08:43? - 11 * 1 08:59 09:11 09: C :43 09:50? - 09:43 09:50 10: C :15 10:17 10: :15 10:19 10: B C :21 11:28 11: ? 1 11:49 11:50 11: C :03 12:05 12: C :13 12:17 12: C :00 13:11 13: :00 13:09 14: C :21 14:23 14: :21 14:24 14: :21 14:27 14: * 1 15:19 15:28 15: C :16 17:19 17: C :35 17:38 17: :34 17:42 18: C :06 20:19 20: C :54 07:01? - 12 C :14 07:16 07: * 2 09:20 09:26 09: :20 09:30 09: C :47 12:50 13: C :22 13:26 13: :21 13:25 13: :22 13:28 14: C C :11 08:15 09: :00 08:13 08: :13 18:17 09:13 08:11 08:16 09: C :34 07:39 08: C :38 09:44 10: :39 09:44 10: ? 1 11:22 11:28 11: C :36 13:39 13: C :13 16:18 16: :12 16:17 17: C :26 19:29 19: C :40 09:50 10: :40 09:52 10: B :48 11:53 12:17 1+

2 15 BAA Radio Astronomy Group. * MAY 17:37 17:52 17: C :57 20:03 20: C :12 09:22 09: :14 09:23 10: C :23 12:27 13: M C :04 08:24 08: C :56 13:06? - 12:56 13:17? - 18? 1 13:09 13:18? - 18 C :33 13:46 14: C :53 15:54? - 14:40 14:55 15: C :49 15:58 16: C :52 18:59 19: C :10 12:22 12: ? 1 11:00 11:07 11: C :34 11:41 11: :36 11:40 11: * 1 14:53 14:56 15: B :09 16:11 16: B :36 17:40 18: C :44 18:48 19: C :07 20:14 20: C :12 10:16 10: :11 10:21 10: C :57 11:17 11: C :14 09:15 09: C :09 16:13 16: B :48 12:53 13: B :16 14:18 14: C C ? 1 31 C C2.5 4

3 BAA Radio Astronomy Group MAY Colin Clements (23.4kHz) AAVSO receiver, 0.76m screened loop aerial. Peter Meadows (23.4kHz) 0.58m frame aerial. Mike King (20.9kHz) AAVSO receiver. loop aerial. 1 * 2 C3.2 11:36 11:44 13: :36 11:43 12: B7.5 2 C2.2 2 C2.1 3 * 3 C1.6 3 C2.3 16:42 16:53 17: C1.5 4? 4? 4 C1.8 4 C2.3 5 C2.1 5 C6.8 09:33 09:38 10: :31 09:37 10: C2.3 10:56 11:00 11: :05 12:15 12: :58 12:59 13: C2.7 5 M1.4 13:10 13:27 15: :21 13:28 14: C1.8 5 C2.8 5 C3.4 5 C3.7 6 M1.1 6 C3.9 6 C1.7 6 C1.4 6 C1.4 11:07 11:47 15: C3.2 16:44 16:59? - 6 C3.0? 17:13 17:22 6 M1.3 17:42 17:50 18: C2.3 6 C4.3 7 C7.1 7 C4.0 7 C1.4 7 C7.9 11:04 11:09 12: :06 11:09 11: M1.9 14:08 14:30 15: :13 14:32 15: C7.4 17:23 17:24 18: :23 17:31 18: C1.9 8 C1.7 8 * 8 C1.8 8 M1.4 13:06 13:10 15: :05 13:09 14: C1.5 9 C1.3 9 C1.3 9 B9.4 9 M4.7 12:24 12:33 14: :25 12:31 13: M1.8 14:03 14:10 15: :05 14:12 14: * 9 C2.1 9 C1.4 9 C9.1 9 M M C C C C C C2.2 12:26 12:41 13: ? 13:13 13:19 13: C4.2 13:40 13:58 15: :54 14:00 14: C C C2.8 08:29 08:43 09: :31 08:39 08: * 11 C2.3 09:33 09:49 10: :44 09:48 09: C B C1.2 11? 11 C C C4.3 13:00 13:12 14: :01 13:07 13: C3.5 14:18 14:24 15: * 11 C C6.1 17:34 17:41 18: C C C * 12 C C2.5 13:21 13:24 14: :21 13:25 13: C C7.0 08:10 08:16 09: :11 08:14 08: C C2.5 09:34 09:45 10: ? 14 C C C C B8.2 Tuned John Wardle (19.6/23.4kHz) PC soundcard, long wire aerial. Peter King (18.3kHz) Own designed receiver, 1.4m loop aerial. DAY START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) START PEAK END (UT)

4 15 BAA Radio Astronomy Group. * 2012 MAY 15 C C2.5 09:09 09:23 09: C1.0 12:22 12:29 13: M C3.6 08:05 08:23 08: C2.0 12:39 13:14 16: ? 18 C C C C C1.0 24? 24 C * 24 B B C C C C C C B B C C1.2 31? 13:26 13:37 14: C2.2 14:28 14:33 14: C2.5 15:32 15:34 16: :31 15:36 15:47 1-

5 BAA Radio Astronomy Group MAY Paul Hyde (22.1kHz) 0.96m frame aerial. Gordon Fiander (19.6/22.1kHz) PC sound card. John Elliott (21.75kHz) 0.5m frame aerial. Martyn Kinder (19.6kHz/22.1khz ) 0.58m frame aerial. 1 * 2 C3.2 11:35 11:41 12: :35 11:42 11: B7.5 2 C2.2 2 C2.1 3 * 3 C1.6 3 C2.3 16:42 16:54 17: :40 16:58 17: :41 16:53 17: C1.5 4? 4? 4 C1.8 4 C2.3 5 C2.1 08:34 08:41 08: :35 08:41 08: C6.8 09:33 09:37 10: :32 09:35 10: C2.3 10:58 11:01 11: :57 11:03 11: C2.7 13:15 13:17? - 5 M1.4 13:21 13:27 14: :22 13:27 13: C1.8 16:44 16:49 17: :43 16:50 16: C2.8 17:20 17:24 17: :19 17:24 17: C3.4 5 C3.7 6 M1.1 6 C3.9 6 C1.7 07:03 07:06 07: :03 07:07 07: C1.4 6 C1.4 6 C3.2 16:50 16:5-16:44 16:57 17: C3.0 17:07 17:10 17: :07 17:11 17: M1.3 17:46 17:50 18: :46 17:52 18: C2.3 6 C4.3 7 C7.1 7 C4.0 06:47 07:09 07: C1.4 08:28 08:31 08: C7.9 11:04 11:10 11: :04 11:06 11: M1.9 14:08 14:25 15: :07 14:13 14: C7.4 17:24 17:29 18: :22 17:28 17: C1.9 08:26 08:37 08: :25 08:35 08: C1.7 09:26 09:29 09: * 8 C1.8 10:37 10:43 10: M1.4 13:06 13:09 13: :07 13:10 14: :07 13:11 14: :07 13:11 13: C1.5 9 C1.3 9 C1.3 9 B9.4 9 M4.7 12:29 12:34 13: :23 12:33 13: :27 12:35 13: :26 12:33 13: M1.8 14:05 14:10 14: :04 14:09 14: :07 14:16 14: :05 14:07 14: * 9 C2.1 9 C1.4 9 C9.1 9 M M C7.9 05:06 05:09 05: C8.3 05:20 05:24 05: C C3.6 06:21 06:35 06: C1.4 07:33 07:37 07: C2.2 10? 10 C4.2 13:27 13:48? - 13:37 13:40 14: :37 13:39 13: C3.3 16:56 17:01 17: :57 17:02 17: :56 17:00 17: C1.7 08:11 08:18 08: :11 08:18 08: C2.8 08:31 08:39 08: :31 08:40 09: * 11 C2.3 09:43 09:50? - 09:40 09:50 09: C1.3 10:15 10:17 10: :13 10:19 10: B9.6 10:37 10:42 10: C1.2 11? 11 C C C4.3 13:00 13:12 13: :00 13:06 13: C3.5 14:22 14:24 14: :19 14:26 14: * 11 C C6.1 17:35 17:41 18: :32 17:42 18: C C C * 12 C1.4 09:20 09:24 09: C2.5 13:23 13:26 13: C C7.0 08:10 08:15 09: :12 08:14 08: C4.1 07:17 07:40 08: :17 07:39 07: C2.5 09:39 09:45 10: ? 14 C C3.2 16:12 16:17 16: :10 16:17 16: C C1.7 09:40 09:46? - 15 B8.2 Mark Horn (23.4kHz) 0.58m frame aerial. DAY START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) START PEAK END (UT)

6 15 BAA Radio Astronomy Group. * 2012 MAY 15 C C2.5 09:09 09:22 09: :11 09:21 09: C1.0 12:24 12:29 12: M C3.6 07:56 08:21 08: C2.0 18? 18 C C C C1.9 15:47 15:59 16: C1.0 24? 24 C * 24 B B C C C C C C2.7 16:07 16:15 16: :07 16:11 16: B B C1.0 08:37 08:47 09: C1.2 06:36 06:45 06: ? 31 C C2.5 15:33 15:37 15: :33 15:39 15:50 1-

7 BAA Radio Astronomy Group MAY Steve Parkinson (19.6/22.1kHz) Simon Dawes (various) Gonzalo Vargas (Various) Tarif Rashid Santo (NWC 19.8kHz) 0.58m frame aerial. PC soundcard and TRF receiver with 1m loop aerial. Spectrum Lab. Spectrum Lab, half-wave dipole. DAY START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) START PEAK END (UT) START PEAK 15m END (UT) 1 * 2 C3.2 11:36 11:41 12: B7.5 2 C2.2 2 C2.1 3 * 3 C1.6 3 C2.3 16:43 16:52 17: C1.5 4? 4? 4 C1.8 4 C2.3 5 C2.1 08:35 08:42 09: C6.8 09:31 09:34 10: :30 09:35 10: C2.3 5 C2.7 5 M1.4 13:21 13:26 14: C1.8 16:45 16:50 17: C2.8 17:21 17:24 17: C3.4 5 C3.7 6 M1.1 01:12 01:21 01: C3.9 04:31 04:43 04: C1.7 6 C1.4 6 C1.4 6 C3.2 16:51 16:57 17: C3.0 6 M1.3 17:46 17:50 18: C2.3 6 C4.3 7 C7.1 02:37 02:52 03: C4.0 06:48 07:04 07: C1.4 7 C7.9 11:06 11:11 11: :52 11:12 12: M1.9 14:08 14:23 14: C7.4 17:24 17:28 18: C1.9 08:32 08:39 09: C1.7 09:18 09:27 09: * 8 C1.8 8 M1.4 13:06 13:11 13: C1.5 9 C1.3 9 C1.3 9 B9.4 9 M4.7 12:25 12:26 13: :26 12:34? - 9 M1.8 14:06 14:10 14: * 9 C2.1 9 C1.4 9 C9.1 9 M M5.7 04:16 04:20 04: C7.9 05:08 05:12 05: C8.3 05:20 05:22 05: C3.1 05:53 06:02 06: C3.6 06:22 06:26 07: C C2.2 10? 10 C C3.3 16:56 17:01 17: C C2.8 08:34 08:44? - 11 * 11 C C B C1.2 11? 11 C C C C * 11 C C6.1 17:35 17:42 18: C C C * 12 C1.4 09:21 09:27 09: C2.5 13:22 13:28 13: C4.4 04:05 04:10 04: C7.0 08:10 08:15 09: :10 08:16 08: C4.1 07:33 07:40 08: :20 07:40 08: C2.5 09:39 09:46 10: ? 14 C C3.2 16:12 16:17 16: C C1.7 09:41 09:55 10: B8.2

8 15 BAA Radio Astronomy Group. * 2012 MAY 15 C C2.5 09:10 09:22 10: C M5.1 01:28 01:46 04: C3.6 08:01 08:20 09: C2.0 18? 18 C C C C C1.0 24? 24 C * 24 B B C C C C C1.5 09:09 09:16 09: C2.7 16:07 16:11 16: B B C C1.2 31? 31 C C2.5

9 May 2005 SeptemberJanuary 2006 May SeptemberJanuary 2007 VLF flare activity 2005/12. C M X Relative sunspot number May SeptemberJanuary 2008 May SeptemberJanuary 2009 May SeptemberJanuary 2010 May SeptemberJanuary 2011 May SeptemberJanuary 2012 May Number of S.I.D's recorded.

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