Monthly Preliminary Report
MPR
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Kjell Inge Malde, Director/Editor |
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Hunsteinstien 42A, |
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Volume 41 Number 5 |
MPR no. 478 |
May 2021 |
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Monthly Preliminary Report for May 2021 |
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Solar Cycle 25: Month no. 18 |
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Report id.: cv2105 - |
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Memno. |
Name |
Country |
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CV |
Obs |
K |
Obs. Tot. |
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KJELL INGE MALDE |
NORWAY |
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21,6 |
21 |
1,150 |
8713 |
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DIETER BRAUCKHOFF |
GERMANY |
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29,3 |
27 |
1,560 |
1566 |
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FRANKY DUBOIS |
BELGIUM |
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15,9 |
31 |
0,848 |
9010 |
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ELMAR JUNKER |
GERMANY |
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21,8 |
13 |
1,164 |
3595 |
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MANFRED HOLL |
GERMANY |
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8,8 |
24 |
0,469 |
5638 |
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HOWARD BARNES |
NEW ZEALAND |
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13,6 |
14 |
0,727 |
4512 |
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HARTMUT BRETSCHNEI |
GERMANY |
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14,2 |
25 |
0,757 |
5340 |
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GERMAN MORALES |
BOLIVIA |
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20,8 |
28 |
1,110 |
7468 |
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ROBERTO BATTAIOLA |
ITALY |
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17,7 |
3 |
0,942 |
1910 |
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GERD SCHROEDER |
GERMANY |
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13,1 |
18 |
0,696 |
4584 |
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SVEN OVE THIMM |
DENMARK |
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14,2 |
13 |
0,754 |
3822 |
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ANDREW JOHNSTON |
UNITED KINGDOM |
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14,6 |
21 |
0,779 |
3231 |
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JAN JANSSENS |
BELGIUM |
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21,0 |
4 |
1,119 |
1107 |
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PIOTR URBANSKI |
POLAND |
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20,1 |
21 |
1,071 |
4979 |
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TOS POLAND |
POLAND |
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16,9 |
31 |
0,903 |
7844 |
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GRZEGORZ DALEK |
POLAND |
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20,8 |
23 |
1,110 |
4352 |
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PAULO ROBERTO MOSE |
BRAZIL |
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22,0 |
19 |
1,173 |
2383 |
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ALEXEY RYBACK |
RUSSIA |
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27,1 |
25 |
1,446 |
3128 |
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MONTY LEVENTHAL |
AUSTRALIA |
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14,5 |
21 |
0,774 |
4508 |
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TERJE BJERKGAARD |
NORWAY |
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27,6 |
18 |
1,469 |
966 |
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VLASTISLAV FEIK |
CZECH REPUBLIC |
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19,1 |
21 |
1,020 |
2776 |
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GEMA ARAUJO |
SPAIN |
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15,9 |
31 |
0,848 |
6666 |
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FAUSTINO GARCIA |
SPAIN |
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15,6 |
23 |
0,832 |
3541 |
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JAVIER ALONSO |
SPAIN |
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20,0 |
25 |
1,068 |
3629 |
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JEFFREY CARELS |
BELGIUM |
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16,9 |
19 |
0,903 |
2873 |
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WALTER JOSE MALUF |
BRAZIL |
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30,1 |
27 |
1,607 |
2470 |
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ADAM DERDZIKOWSKI |
POLAND |
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15,5 |
6 |
0,826 |
956 |
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DENIS WALLIAN |
FRANCE |
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16,6 |
15 |
0,885 |
391 |
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JORDI ZAMORA |
SPAIN |
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12,8 |
17 |
0,680 |
967 |
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STEFAN MEISTER |
SWITZERLAND |
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24,4 |
26 |
1,300 |
446 |
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TOM MANGELSDORF |
UNITED STATES |
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19,0 |
3 |
1,013 |
40 |
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TADEUSZ FIGIEL |
POLAND |
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15,6 |
13 |
0,832 |
261 |
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ONDREJOV OBS. (AI CAS |
CZECH REPUBLIC |
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22,4 |
11 |
1,192 |
3313 |
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JOHAN NEYS |
BELGIUM |
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11,0 |
15 |
0,586 |
480 |
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JEAN BOURGEOIS |
BELGIUM |
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16,4 |
29 |
0,873 |
784 |
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IGOR GRAGEDA |
BOLIVIA |
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17,5 |
30 |
0,931 |
563 |
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ARNAUD MENGUS |
FRANCE |
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14,5 |
15 |
0,775 |
182 |
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Totals
Observers |
Days |
CV |
No |
K |
37 |
31 |
18,35 |
726 |
0,978 |
Page 1 of 6
Results
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Date |
CV |
Obsrvrs |
Regions |
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6 rot. |
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1 |
1,50 |
18 |
1,60 |
12,73 |
16,08 |
9,10 |
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2 |
0,00 |
20 |
1,60 |
12,66 |
16,00 |
9,11 |
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3 |
0,15 |
27 |
1,60 |
12,60 |
15,88 |
9,11 |
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4 |
0,00 |
19 |
1,59 |
12,51 |
15,73 |
9,12 |
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5 |
0,00 |
23 |
1,58 |
12,38 |
15,57 |
9,13 |
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6 |
0,00 |
17 |
1,57 |
12,10 |
15,19 |
9,15 |
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7 |
14,04 |
25 |
1,55 |
11,80 |
14,75 |
9,20 |
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8 |
16,89 |
27 |
1,54 |
11,52 |
14,42 |
9,27 |
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9 |
22,21 |
28 |
1,53 |
11,29 |
14,18 |
9,36 |
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10 |
29,93 |
27 |
1,52 |
11,04 |
13,93 |
9,46 |
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11 |
29,59 |
22 |
1,51 |
10,71 |
13,65 |
9,56 |
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12 |
22,65 |
20 |
1,48 |
10,44 |
13,45 |
9,62 |
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13 |
21,47 |
17 |
1,47 |
10,27 |
13,20 |
9,67 |
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14 |
15,04 |
24 |
1,48 |
10,02 |
13,01 |
9,72 |
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15 |
11,10 |
21 |
1,47 |
9,74 |
12,88 |
9,76 |
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16 |
9,46 |
26 |
1,46 |
9,45 |
12,73 |
9,80 |
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17 |
10,91 |
23 |
1,45 |
9,18 |
12,57 |
9,85 |
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18 |
20,96 |
24 |
1,44 |
8,98 |
12,51 |
9,92 |
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19 |
17,63 |
27 |
1,44 |
9,02 |
12,55 |
10,00 |
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20 |
16,00 |
27 |
1,43 |
9,02 |
12,58 |
10,06 |
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21 |
14,15 |
20 |
1,43 |
9,02 |
12,60 |
10,11 |
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22 |
16,18 |
22 |
1,43 |
9,03 |
12,63 |
10,17 |
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23 |
18,39 |
23 |
1,44 |
9,05 |
12,68 |
10,24 |
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24 |
16,15 |
26 |
1,45 |
9,07 |
12,71 |
10,27 |
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25 |
24,45 |
20 |
1,45 |
9,13 |
12,80 |
10,31 |
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26 |
58,17 |
23 |
1,45 |
9,32 |
13,16 |
10,44 |
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27 |
58,61 |
23 |
1,45 |
9,87 |
13,56 |
10,53 |
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28 |
49,59 |
27 |
1,45 |
10,38 |
13,88 |
10,64 |
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29 |
18,89 |
27 |
1,46 |
10,41 |
13,95 |
10,66 |
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30 |
14,22 |
27 |
1,46 |
10,44 |
13,99 |
10,68 |
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31 |
14,96 |
26 |
1,48 |
10,50 |
14,09 |
10,69 |
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Totals/ |
3,96 |
27,3 |
0,97 |
4,83 |
13,77 |
9,83 |
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Avrgs |
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Page 2 of 6
CV and CV observers
CV for May 2021 |
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Observers in May 2021 |
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70
60
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40
30
20
10
0
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31 |
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0
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31 |
Sunspot Region Summary for May 2021
:Product: Weekly Highlights and Forecasts
:Issued: 2021 Jun 14 0205 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 07 - 13 June 2021
Solar activity was at low levels due to multiple
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit was at normal to moderate levels throughout the highlight period.
Geomagnetic field activity was at quiet to unsettled levels on
Page 3 of 6
Monthly graph
200
180
160
140
120
100
80
60
40
20
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0 |
102 |
204 |
306 |
408 |
510 |
612 |
714 |
816 |
918 |
1020 |
1122 |
1224 |
1326 |
1428 |
1530 |
1632 |
1734 |
1836 |
1938 |
2040 |
2142 |
2244 |
2346 |
2448 |
2550 |
2652 |
2754 |
2856 |
2958 |
3060 |
3162 |
3264 |
3366 |
3468 |
3570 |
3672 |
3774 |
3876 |
3978 |
4080 |
4182 |
4284 |
4386 |
4488 |
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Cycle 21 |
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Cycle 22 |
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Cycle 23 |
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Cycle 24 |
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Cycle 25 |
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Note the black line showing we are actually above cycle 24 levels for same date
News May 2021
Solar activity is still nearly at standstill in this phase of the new solar cycle 25.
In fact,
There are three regions only worthwhile mentioning:
and had the magnetic poles turned about 90 degrees.
None of the two potent groups seemed to return in June.
The solar flux show a slight downfall at the time of writing, but hope for better times soon.
It is also expected that activity will come to fairly high levels around the first onset of this solar cycle, and that might commence at the end of this year.
Error:
On previous MPRs this cycle the wrong Month number of Solar Cycle 25 was quoted: We were, in previous month at Month number 18, which has now been corrected.
MIF2021
We hope the MIF2021 that was introduced to you last month have brought some of you some joy to use.
Please note that if you already have a good system that works well for you, you are NOT obliged to use MIF2021!
We wish you all lots of sunny days, happy observing and good luck in trying out the new MIF2021!
Please remember you are always welcome to contribute with drawings and photos!
Page 4 of 6
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Pictures from last month - Observer contributions, etc. |
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SOLAR CYCLE 25 |
Largest Regions of May 2021 |
Regions 2824 and 2826 on
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To the left a picture |
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from |
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taken i June 2021. |
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Awards this month |
1 |
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Congratulations to |
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Milestone date 21 May 2021 |
9000 |
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Congratulations! |
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New member: |
Welcome to: |
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none |
none |
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We are now 52 active members (last 12 mo.) |
Page 5 of 6
Solar Coordinates |
New from April 2020 |
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Daily list of Solar Ephemeris available at:
Daily list of Solar Ephemeris and SDO on grid
Here you can see Today's Po, Bo, Lo, Rotation no., RA and Dec. and adjusted
Calculating CV
For your convenience and security, use the mif2021,
the Monthly Input Form, which you can use for all of your next reportings!
Monitor MPR daily progress
The data are available fresh from about 10:00 UTC until local midnight. Content comprises
Last 24 months
Registration data
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CONTRIBUTE WITH YOUR PHOTOS AND OTHER OF INTEREST!
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Also any other contribution that may have an interest for our observers.
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Page 6 of 6