Monthly Preliminary Report
MPR
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Kjell Inge Malde, Director/Editor |
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Böreholen 20, |
Email: cvhelios@gmail.com |
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Volume 40 Number 4 |
MPR no. 465 |
April 2020 |
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Monthly Preliminary Report for April 2020 |
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Solar Cycle 24: Month no. 138 |
Solar Cycle 25: Month no. 5 ? |
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Report id.: cv2004 - |
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Memno. |
Name |
Country |
CV |
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Obs |
K |
Obs. Tot. |
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MALDE, KJELL INGE |
NORWAY |
1,0 |
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25 |
0,909 |
8462 |
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BRAUCKHOFF, DIETER |
GERMANY |
3,6 |
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29 |
3,104 |
1266 |
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DUBOIS, FRANKY |
BELGIUM |
1,0 |
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30 |
0,845 |
8671 |
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JUNKER, ELMAR |
GERMANY |
1,1 |
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24 |
0,947 |
3436 |
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HOLL, MANFRED |
GERMANY |
2,0 |
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1 |
1,748 |
5366 |
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BARNES, HOWARD |
NEW ZEALAND |
1,4 |
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14 |
1,248 |
4343 |
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VIERTEL, ANDREAS |
GERMANY |
0,3 |
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28 |
0,250 |
5620 |
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BRETSCHNEIDER, HART |
GERMANY |
0,8 |
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29 |
0,693 |
5047 |
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MORALES, GERMAN |
BOLIVIA |
3,7 |
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28 |
3,215 |
7127 |
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ROTHERMEL, JENS |
GERMANY |
1,0 |
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26 |
0,908 |
1116 |
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SCHRÖDER, GERD |
GERMANY |
0,3 |
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29 |
0,271 |
4363 |
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THIMM, SVEN OVE |
DENMARK |
0,1 |
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15 |
0,058 |
3627 |
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JOHNSTON, ANDREW |
UNITED KINGDOM |
0,8 |
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27 |
0,712 |
3008 |
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JANSSENS, JAN |
BELGIUM |
1,1 |
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13 |
0,941 |
1044 |
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URBANSKI, PIOTR |
POLAND |
0,8 |
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29 |
0,723 |
4730 |
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POLAND |
1,1 |
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30 |
0,961 |
7448 |
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DALEK, GRZEGORZ |
POLAND |
0,9 |
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27 |
0,809 |
4107 |
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STEEN, OCTAAF |
BELGIUM |
0,9 |
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30 |
0,787 |
5293 |
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RYBACK, ALEXEY |
RUSSIA |
1,2 |
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9 |
1,068 |
2941 |
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LEVENTHAL, MONTY |
AUSTRALIA |
0,1 |
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17 |
0,103 |
4256 |
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BJERKGÅRD, TERJE |
NORWAY |
0,3 |
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6 |
0,291 |
897 |
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FEIK, VLASTISLAV |
CZECH REPUBLIC |
1,4 |
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29 |
1,266 |
2518 |
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ARAUJO, GEMA |
SPAIN |
1,3 |
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30 |
1,165 |
6280 |
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GARCIA, FAUSTINO |
SPAIN |
0,8 |
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5 |
0,699 |
3276 |
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ALONSO, JAVIER |
SPAIN |
1,8 |
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19 |
1,564 |
3413 |
Page 1 of 8
Volume 40 Number 4 |
MPR no. 465 |
April 2020 |
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Memno. |
Name |
Country |
CV |
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Obs |
K |
Obs. Tot. |
CARELS, JEFFREY |
BELGIUM |
0,7 |
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27 |
0,647 |
2623 |
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MALUF, WALTER JOSE |
BRAZIL |
1,2 |
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29 |
1,025 |
2131 |
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BACKER, HENDRIK DE |
BELGIUM |
1,0 |
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30 |
0,903 |
1585 |
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DERDZIKOWSKI, ADAM |
POLAND |
1,5 |
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14 |
1,311 |
905 |
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ZAMORA, JORDI |
SPAIN |
1,0 |
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26 |
0,874 |
823 |
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DEMEULENAERE, IVO |
BELGIUM |
0,6 |
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25 |
0,559 |
490 |
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MEISTER, STEFAN |
SWITZERLAND |
1,9 |
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13 |
1,681 |
290 |
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FIGIEL, TADEUSZ |
POLAND |
0,6 |
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8 |
0,546 |
156 |
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ONDREJOV OBS. (AI CA |
CZECH REPUBLIC |
1,4 |
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22 |
1,192 |
5070 |
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NEYS, JOHAN |
BELGIUM |
1,0 |
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26 |
0,840 |
301 |
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MORAES, CAIO CRESPO |
BRAZIL |
0,8 |
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5 |
0,699 |
526 |
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BOURGEOIS, JEAN |
BELGIUM |
0,9 |
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30 |
0,757 |
495 |
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CEUNINCK, EDWIN DE |
BELGIUM |
0,8 |
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28 |
0,687 |
395 |
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ZAPATA MORALES, ANT |
SPAIN |
0,5 |
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17 |
0,463 |
255 |
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LAURENT, DIRK |
BELGIUM |
0,9 |
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28 |
0,780 |
228 |
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GRAGEDA, IGOR |
BOLIVIA |
1,5 |
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14 |
1,311 |
197 |
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MENGUS, ARNAUD |
FRANCE |
0,8 |
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19 |
0,736 |
19 |
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Totals |
Observers |
Days |
CV |
No |
K |
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42 |
30 |
1,10 |
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910 |
0,959 |
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Page 2 of 8
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Volume 40 Number 4 |
MPR no. 465 |
April 2020 |
ISSN |
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Results |
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Joint USDC/NOAA, SWPC/USAF |
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Date |
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CV |
Obsrvrs |
Regions |
* |
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6 rot. |
6 rot. |
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1 |
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3,70 |
33 |
0,14 |
0,52 |
0,71 |
2,48 |
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2 |
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4,89 |
27 |
0,15 |
0,55 |
0,76 |
2,38 |
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3 |
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3,93 |
29 |
0,15 |
0,57 |
0,79 |
2,23 |
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4 |
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2,40 |
30 |
0,16 |
0,58 |
0,81 |
2,09 |
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5 |
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0,00 |
34 |
0,16 |
0,58 |
0,81 |
1,96 |
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6 |
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0,00 |
30 |
0,16 |
0,58 |
0,81 |
1,79 |
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7 |
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0,00 |
32 |
0,16 |
0,58 |
0,80 |
1,65 |
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8 |
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0,00 |
28 |
0,16 |
0,58 |
0,80 |
1,63 |
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9 |
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0,00 |
32 |
0,16 |
0,58 |
0,80 |
1,63 |
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10 |
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0,00 |
35 |
0,16 |
0,58 |
0,80 |
1,62 |
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11 |
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0,00 |
34 |
0,16 |
0,58 |
0,80 |
1,61 |
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12 |
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0,00 |
35 |
0,16 |
0,58 |
0,79 |
1,61 |
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13 |
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0,00 |
29 |
0,15 |
0,57 |
0,78 |
1,61 |
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14 |
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0,00 |
26 |
0,15 |
0,56 |
0,78 |
1,61 |
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15 |
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0,00 |
27 |
0,15 |
0,56 |
0,78 |
1,61 |
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16 |
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0,00 |
31 |
0,15 |
0,56 |
0,77 |
1,61 |
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17 |
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0,00 |
29 |
0,15 |
0,56 |
0,77 |
1,61 |
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18 |
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0,00 |
29 |
0,15 |
0,56 |
0,77 |
1,60 |
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19 |
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0,00 |
28 |
0,15 |
0,56 |
0,76 |
1,60 |
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20 |
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0,00 |
29 |
0,15 |
0,56 |
0,76 |
1,60 |
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21 |
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0,00 |
35 |
0,15 |
0,56 |
0,76 |
1,59 |
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22 |
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0,00 |
30 |
0,15 |
0,56 |
0,75 |
1,53 |
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23 |
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0,00 |
32 |
0,15 |
0,56 |
0,75 |
1,47 |
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24 |
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0,00 |
31 |
0,15 |
0,56 |
0,75 |
1,37 |
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25 |
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0,78 |
32 |
0,15 |
0,57 |
0,75 |
1,26 |
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26 |
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2,75 |
32 |
0,16 |
0,58 |
0,77 |
1,13 |
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27 |
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5,23 |
35 |
0,16 |
0,59 |
0,82 |
1,05 |
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28 |
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1,33 |
27 |
0,16 |
0,59 |
0,83 |
0,94 |
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29 |
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5,26 |
19 |
0,18 |
0,63 |
0,86 |
0,87 |
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30 |
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4,70 |
30 |
0,18 |
0,64 |
0,90 |
0,78 |
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Totals/ |
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1,17 |
30,3 |
0,40 |
0,71 |
0,79 |
1,58 |
Avrgs |
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Page 3 of 8
Volume 40 Number 4 |
MPR no. 465 |
April 2020 |
ISSN |
CV and CV observers
40
35
30
25
20
15
10
5
0
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
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13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
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23 |
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25 |
26 |
27 |
28 |
29 |
30 |
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CV for April 2020 Observers in April 2020 |
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3
2
1
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2 |
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Page 4 of 8
Volume 40 Number 4 |
MPR no. 465 |
April 2020 |
ISSN |
Solar Region Summary for April 2020
:Product: Weekly Highlights and Forecasts
:Issued: 2020 May 11 0302 UTC
#Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#Product description and SWPC contact on the Web
#
#
#Weekly Highlights and Forecasts
Highlights of Solar and Geomagnetic Activity 04 - 10 May 2020
Solar activity was very low. Regions 2760 (S06, L=306, class/area
Cro/020 on 29 Apr) and 2763 (N32, L=260, class/area Bxo/010 on 30
Apr) were both plage regions as they rotated off the west limb on 05
May and 08 May, respectively. No
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit was at normal to moderate levels. The peak flux was 240 pfu observed at 09/0420 UTC.
Geomagnetic field activity was mostly quiet with isolated unsettled periods observed on 06 and 10 May. Solar wind parameters were at nominal levels with solar wind speed ranging from
Total field ranged from
Page 5 of 8
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Volume 40 Number 4 |
MPR no. 465 |
April 2020 |
ISSN |
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Solar minimum has occurred? |
Min. period 01 Oct 2019 - 30 Nov 2019,
69,4
69,3
69,2
69,1
69
68,9
68,8
01.10.2019 |
03.10.2019 |
05.10.2019 |
07.10.2019 |
09.10.2019 |
11.10.2019 |
13.10.2019 |
15.10.2019 |
17.10.2019 |
19.10.2019 |
21.10.2019 |
23.10.2019 |
25.10.2019 |
27.10.2019 |
29.10.2019 |
31.10.2019 |
02.11.2019 |
04.11.2019 |
06.11.2019 |
08.11.2019 |
10.11.2019 |
12.11.2019 |
14.11.2019 |
16.11.2019 |
18.11.2019 |
20.11.2019 |
22.11.2019 |
24.11.2019 |
26.11.2019 |
28.11.2019 |
30.11.2019 |
Solar minimum: Has it occurred last year?
The above graphic show the
It may seem minimum occured late November 2019.
Awards this month |
1 |
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Congratulations! |
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New member: |
Welcome to: |
Enrolled 22.04.2020 |
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We are now 48 active members (last 12 mo.) |
Please check out
MINIMUM Cycle 24/25 was expected to occur between November 2019/May 2020.
Latest: MINIMUM MAY HAVE OCCURRED END OCT. 2019.
Page 6 of 8
Volume 40 Number 4 |
MPR no. 465 |
April 2020 |
ISSN |
April 2020 news
Click on picture to open the site.
http://www.cv- helios.net/helios/c v/web/sungrid/sun grid.html
The page also gives you a link to the year table.
A new feature at
This, together with the updated
Solar Coordinates
Daily list of Solar Ephemeris for 2020 available at:
Daily list of Solar Ephemeris for 2020
Here you can see Today's Po, Bo, Lo, Rotation no., RA and Dec. for the year 2020.
Calculating CV
For your convenience and security, use the mif2002,
the Monthly Input Form, which you can use for all of your next reportings!
Monitor MPR daily progress
Monitor your submissions as they are registered:
The data are available fresh from about 10:00 UTC until local midnight. Content comprises
Extracts from NOAA warehouse on SRS and other activity, Last 24 months
Registration data
Check if your |
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for checking of Entries Summary |
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CONTRIBUTE WITH YOUR PHOTOS AND OTHER OF INTEREST!
We would like YOU to contribute with drawings or photos from last month
Also any other contribution that may have an interest for our observers.
Please send by email to:
Page 7 of 8
Volume 40 Number 4 |
MPR no. 465 |
April 2020 |
ISSN |
SUBMISSIONS OF
Please go to:
Log on to:
loginsolaris
passwordcvheliosobs
Submission before 15th of proceeding month 18:00 UTC.
MPR issue 15th of month 2000 UTC. Good luck
Per April 2020: Registration time average last 40 entries: 10 hours 1 minutes
- over 38 years in solar amateur astronomy service!
There are now 11516 entries registered containing 183782
This MPR issued 15th May 2020
Director/Coordinator: Kjell Inge Malde
Phone: +47 98 69 28 56
cvhelios@gmail.com
Worldwide Amateur Solar Observing Network
Magnetic Sunspot Classifications Zürich/McIntosh system CV - Classification Values (Malde/1981) - numeric system Serving Amateur Solar Astronomy since 1981
Editorial close: 15.05.2020 19:02 UTC
Page 8 of 8