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 8 |
MPR no. 481 |
August 2021 |
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Monthly Preliminary Report for August 2021 |
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Solar Cycle 25: Month no. 21 |
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Report id.: cv2108 - |
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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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22,0 |
22 |
1,550 |
8778 |
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DIETER BRAUCKHOFF |
GERMANY |
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19,5 |
28 |
1,377 |
1649 |
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FRANKY DUBOIS |
BELGIUM |
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11,7 |
28 |
0,825 |
9087 |
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ELMAR JUNKER |
GERMANY |
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59,0 |
1 |
4,167 |
3620 |
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MANFRED HOLL |
GERMANY |
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7,4 |
21 |
0,521 |
5714 |
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HOWARD BARNES |
NEW ZEALAND |
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12,4 |
8 |
0,874 |
4543 |
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HARTMUT BRETSCHNEI |
GERMANY |
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9,6 |
19 |
0,680 |
5407 |
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ROBERTO BATTAIOLA |
ITALY |
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15,9 |
10 |
1,123 |
1940 |
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JENS ROTHERMEL |
GERMANY |
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4,8 |
8 |
0,335 |
1278 |
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SVEN OVE THIMM |
DENMARK |
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11,3 |
22 |
0,799 |
3882 |
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ANDREW JOHNSTON |
UNITED KINGDOM |
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11,7 |
18 |
0,824 |
3288 |
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JAN JANSSENS |
BELGIUM |
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26,7 |
3 |
1,883 |
1120 |
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PIOTR URBANSKI |
POLAND |
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14,7 |
21 |
1,036 |
5060 |
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TOS POLAND |
POLAND |
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13,5 |
31 |
0,952 |
7936 |
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GRZEGORZ DALEK |
POLAND |
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30,4 |
5 |
2,147 |
4409 |
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PAULO ROBERTO MOSE |
BRAZIL |
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18,9 |
22 |
1,332 |
2453 |
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ALEXEY RYBACK |
RUSSIA |
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15,3 |
16 |
1,077 |
3181 |
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MONTY LEVENTHAL |
AUSTRALIA |
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10,6 |
26 |
0,747 |
4573 |
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TERJE BJERKGAARD |
NORWAY |
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38,2 |
9 |
2,699 |
993 |
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VLASTISLAV FEIK |
CZECH REPUBLIC |
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13,2 |
17 |
0,935 |
2839 |
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GEMA ARAUJO |
SPAIN |
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15,0 |
31 |
1,059 |
6758 |
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FAUSTINO GARCIA |
SPAIN |
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14,5 |
20 |
1,020 |
3592 |
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JAVIER ALONSO |
SPAIN |
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14,6 |
21 |
1,032 |
3692 |
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JEFFREY CARELS |
BELGIUM |
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12,6 |
20 |
0,890 |
2931 |
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WALTER JOSE MALUF |
BRAZIL |
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16,5 |
27 |
1,164 |
2550 |
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ADAM DERDZIKOWSKI |
POLAND |
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8,9 |
7 |
0,625 |
980 |
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DENIS WALLIAN |
FRANCE |
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14,4 |
18 |
1,016 |
437 |
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STEFAN MEISTER |
SWITZERLAND |
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15,8 |
23 |
1,115 |
517 |
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TOM MANGELSDORF |
UNITED STATES |
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23,7 |
3 |
1,671 |
43 |
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ONDREJOV OBS. (AI CAS |
CZECH REPUBLIC |
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6,9 |
18 |
0,486 |
3380 |
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JOHAN NEYS |
BELGIUM |
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9,7 |
11 |
0,687 |
518 |
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JEAN BOURGEOIS |
BELGIUM |
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8,8 |
28 |
0,618 |
855 |
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IGOR GRAGEDA |
BOLIVIA |
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14,3 |
29 |
1,013 |
651 |
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ARNAUD MENGUS |
FRANCE |
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5,0 |
4 |
0,353 |
200 |
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STEFANIK OBSERVATOR |
CZECH REPUBLIC |
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15,2 |
19 |
1,070 |
58 |
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Totals
Observers |
Days |
CV |
No |
K |
35 |
31 |
16,06 |
614 |
1,134 |
Page 1 of 6
Results
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Date |
CV |
Obsrvrs |
Regions |
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6 rot. |
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1 |
1,11 |
18 |
1,79 |
16,07 |
17,70 |
14,21 |
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2 |
8,50 |
22 |
1,79 |
16,09 |
17,71 |
14,24 |
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3 |
12,82 |
22 |
1,79 |
16,15 |
17,78 |
14,27 |
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4 |
7,93 |
14 |
1,79 |
16,16 |
17,84 |
14,31 |
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5 |
3,06 |
18 |
1,80 |
16,15 |
17,84 |
14,32 |
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6 |
0,73 |
22 |
1,79 |
16,03 |
17,64 |
14,34 |
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7 |
0,05 |
19 |
1,79 |
15,83 |
17,45 |
14,35 |
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8 |
0,04 |
25 |
1,78 |
15,65 |
17,26 |
14,32 |
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9 |
0,71 |
24 |
1,78 |
15,48 |
17,11 |
14,30 |
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10 |
0,26 |
23 |
1,78 |
15,33 |
16,97 |
14,29 |
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11 |
2,05 |
20 |
1,79 |
15,19 |
16,93 |
14,31 |
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12 |
1,05 |
21 |
1,79 |
15,20 |
16,94 |
14,33 |
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13 |
1,44 |
25 |
1,78 |
15,17 |
16,93 |
14,34 |
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14 |
3,77 |
22 |
1,79 |
15,15 |
16,87 |
14,36 |
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15 |
4,74 |
23 |
1,79 |
15,12 |
16,82 |
14,39 |
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16 |
12,06 |
16 |
1,79 |
15,19 |
16,86 |
14,42 |
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17 |
8,40 |
15 |
1,79 |
15,19 |
16,93 |
14,46 |
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18 |
6,29 |
14 |
1,79 |
15,21 |
16,90 |
14,50 |
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19 |
5,82 |
17 |
1,79 |
15,21 |
16,90 |
14,52 |
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20 |
2,47 |
19 |
1,79 |
15,15 |
16,89 |
14,53 |
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21 |
15,30 |
23 |
1,79 |
15,15 |
16,92 |
14,57 |
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22 |
16,57 |
21 |
1,79 |
15,12 |
16,96 |
14,63 |
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23 |
18,41 |
17 |
1,79 |
15,12 |
17,04 |
14,70 |
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24 |
12,95 |
19 |
1,79 |
15,15 |
17,09 |
14,75 |
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25 |
33,12 |
25 |
1,79 |
15,26 |
17,27 |
14,86 |
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26 |
44,23 |
22 |
1,80 |
15,52 |
17,50 |
15,00 |
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27 |
50,33 |
18 |
1,81 |
15,86 |
17,69 |
15,15 |
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28 |
51,82 |
17 |
1,83 |
16,17 |
17,89 |
15,29 |
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29 |
44,84 |
19 |
1,84 |
16,49 |
18,09 |
15,41 |
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30 |
43,00 |
17 |
1,84 |
16,67 |
18,27 |
15,52 |
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31 |
41,88 |
17 |
1,85 |
16,80 |
18,49 |
15,64 |
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Totals/ |
3,96 |
27,3 |
0,97 |
4,83 |
17,34 |
14,60 |
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Avrgs |
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Page 2 of 6
CV and CV observers
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CV for August 2021 |
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Observers in August 2021 |
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LAST 10 SUNSPOT REGIONS
:Product: Weekly Highlights and Forecasts
:Issued: 2021 Sep 13 0136 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 06 - 12 September 2021
Solar activity was at low levels with
No proton events were observed at geosynchronous orbit.
The greater than 2 MeV electron flux at geosynchronous orbit was at high levels on
Page 3 of 6
Monthly graph
Complete
60
40
20
0
0 |
1000 |
2000 |
3000 |
4000 |
5000 |
6000 |
7000 |
8000 |
9000 |
10000 |
The Butterfly diagram
News August 2021
Solar activity is still low but number of regions are slowly increasing.
As shown in this issue, the CV as
There were a total of 12 sunspot regions developing in July 2021.
There were a total of 13 sunspot regions developing in August 2021. The LARGEST SUNSPOT REGIONS
2859:
2860:
Obituary
We have received the sad message that one of our longest and faithully serving members, Germán Morales Chavez, Bolivia, passed away on the 9th September this year.
He became a victim of cancer.
Germán, member number
A really good solar observer and solar friend who will be sadly missed
in our network and our goals for another way of doing solar observations. Rest In Peace, dear friend!
Solar cycle 25 update, and comparison solar cycle 24
It seems the
Originally July 2025, which now may occur end Feb/start March 2025.
We wish you all lots of sunny days, happy observing and good luck further on in 2021!
Please remember you are always welcome to contribute with drawings and photos!
Page 4 of 6
Pictures from last month - Observer contributions, etc.
Largest Regions of August 2021
Region 2860
on August 28, 2021
courtesy SDO/HMI NOAA gov
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Awards this month |
0 |
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none |
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New members: |
Welcome to: |
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none |
none |
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We are now 54 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
Check if your
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:
Please check out
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MPR issue 15th of proceeding month 2000 UTC. Good luck
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- over 40 years in solar amateur astronomy service!
There are now Entries reg.: 12137 entries registered
containing 195633
Last 12 months 7540
Editorial close: 15.09.2021 19:28 UTC
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Page 6 of 6