Anola
Clear Sky Chart
History

This sumarizes the distribution of each different forecast outcome for the Anola clear sky chart from 2005-11-05 to 2017-09-10.

This page is a summary of past forecasts. Even though it's based only on forecasts, some people use these pages as clue to a site's climate. But climate data based on actual observation should be preferred (if you can find it!).

Cloud, Transparency and Seeing forecasts are summarized individually. But because good observing conditions require a combination of minimum cloud cover, transparency and seeing, the individual forecast summaries can be difficult to interpret. The observing conditions section counts the combinations of conditions needed for common types of astronomical observation.

Observing Conditions

The following tables count the occurrence of the combinations of forecast and darkness conditions needed for different observations. Conditions are rated by by what percentage of the hours the observation would likely be attempted are usable.
Observation TypeMinimum conditions for hour to be usableOut of hours
Clear of CloudsTransparencySeeingSky Brightness
Planetary:50%(no limit)Average(no limit)Nighttime Hours
Deep Sky:70%Average(no limit)5.9Nighttime Hours
CCD Imaging:70%Below AveragePoor(no limit)Nighttime Hours

Percentages are of nighttime hours per month, or per year, when a particular observing conditions was met. Deep Sky percentages never exceed 50% because the moon is up half the time. Deep sky percentages are much lower for charts at high latitudes because of fewer dark hours in the summer.

Overall

PlanetaryData
Pts
Deep Sky
Max 60%
Data
Pts
Both Planetary and Deep Sky
Max 60%
Data
Pts
Either Planetary or Deep SkyData
Pts
CCD ImagingData
Pts
Night
37%
16269
12%
46701
7%
16225
41%
16225
20%
33389

By Month

MonthDays of MonthPlanetaryData
Pts
Deep Sky
Max 60%
Data
Pts
Both Planetary and Deep Sky
Max 60%
Data
Pts
Either Planetary or Deep SkyData
Pts
CCD ImagingData
Pts
January1st to 15thNight
28%
900
7%
2685
5%
895
31%
895
12%
2143
January16th to endNight
27%
960
9%
2763
5%
960
31%
960
12%
2215
February1st to 15thNight
40%
876
12%
2324
7%
875
43%
875
20%
1734
February16th to endNight
37%
768
12%
2030
6%
768
41%
768
18%
1550
March1st to 15thNight
33%
621
14%
2061
10%
621
39%
621
18%
1439
March16th to endNight
38%
576
16%
2112
15%
576
46%
576
19%
1373
April1st to 15thNight
42%
539
17%
1717
15%
539
50%
539
25%
1078
April16th to endNight
39%
540
16%
1620
11%
540
44%
540
23%
1097
May1st to 15thNight
33%
540
12%
1485
4%
540
36%
540
23%
1049
May16th to endNight
39%
563
11%
1311
5%
561
43%
561
32%
907
June1st to 15thNight
42%
540
4%
1260
3%
540
44%
540
31%
881
June16th to endNight
51%
540
3%
1260
3%
540
52%
540
31%
875
July1st to 15thNight
59%
510
6%
1190
5%
510
60%
510
44%
749
July16th to endNight
60%
564
14%
1239
8%
531
61%
531
48%
748
August1st to 15thNight
60%
539
16%
1561
8%
536
63%
536
36%
918
August16th to endNight
56%
573
21%
1719
18%
573
61%
573
40%
948
September1st to 15thNight
52%
525
16%
1747
16%
525
57%
525
31%
998
September16th to endNight
42%
492
18%
1815
18%
492
48%
492
23%
1109
October1st to 15thNight
33%
638
14%
1958
10%
638
37%
638
18%
1380
October16th to endNight
32%
830
12%
2238
6%
830
36%
830
19%
1632
November1st to 15thNight
24%
875
10%
2449
4%
875
28%
875
16%
1869
November16th to endNight
23%
900
9%
2577
5%
900
27%
900
12%
2079
December1st to 15thNight
29%
900
6%
2700
5%
900
31%
900
12%
2185
December16th to endNight
22%
960
7%
2880
4%
960
26%
960
9%
2433

Individual Forecasts

The length of each colored bar in the "occurrence of each Forecast" column is proportional to the number of times the chart forecast that color. The percentages are of the total number of hours per month, or per year, with a particular forecast. The colors as the same as those used in clear sky charts.

Note: Transparency probabilities are only counted for those hours that have 30% or less cloud cover. Seeing probabilities are only counted for those hours that have 80% or less cloud cover. If that's too tricky, try Observing Conditions instead.

Overall

Occurrence of each ForecastData
Points
Cloud CoverDay
13%9%47%6%35%5%5%7%32%
47956
Night
12%10%47%6%35%5%5%6%32%
46846
Cloud CoverDay
13%9%47%6%35%5%5%7%32%
47966
Night
11%10%47%6%35%5%5%6%32%
46849
Cloud CoverDay
13%9%47%6%35%5%5%7%32%
47967
Night
11%10%47%6%35%5%5%6%32%
46850
Cloud CoverDay
14%9%46%6%35%5%5%7%32%
47965
Night
12%10%47%6%35%5%5%6%32%
46850
TransparencyDay
50%5%14%21%6%
47619
Night
51%5%14%21%7%
46701
SeeingDay
16%7%28%28%14%4
6261
Night
16%6%28%33%13%1
16273

By Month

Percentage Cloud Cover NE (2006-)
Color Meanings:
Overcast 90% covered 80% covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
10%12%6%10%7%5%7%7%7%6%19%
1253
16th to endDay
11%14%8%11%9%5%7%7%7%5%10%
1458
February1st to 15thDay
7%9%5%9%7%6%8%7%6%8%23%
1539
16th to endDay
9%11%5%11%8%5%8%7%6%420%
1454
March1st to 15thDay
11%14%6%9%7%45%5%46%23%
1888
16th to endDay
12%11%46%8%35%5%5%7%27%
2112
April1st to 15thDay
11%9%37%5%3445%6%38%
2231
16th to endDay
13%8%35%425%5%6%6%36%
2340
May1st to 15thDay
20%10%46%423346%32%
2463
16th to endDay
20%6%35%5%24447%34%
2803
June1st to 15thDay
18%7%37%6%35%5%5%6%30%
2700
16th to endDay
15%6%35%5%35%5%6%8%33%
2700
July1st to 15thDay
10%4244346%7%9%42%
2700
16th to endDay
9%42443446%9%46%
2845
August1st to 15thDay
11%5%15%5%346%6%8%41%
2388
16th to endDay
12%424424448%48%
2483
September1st to 15thDay
12%6%25%5%235%47%44%
2098
16th to endDay
16%6%2442445%8%40%
1815
October1st to 15thDay
17%13%38%6%34435%30%
1660
16th to endDay
17%13%47%6%36%5%5%6%23%
1631
November1st to 15thDay
15%14%5%7%6%24446%30%
1408
16th to endDay
14%14%7%11%10%45%42420%
1383
December1st to 15thDay
9%17%7%11%9%47%6%6%5%13%
1260
16th to endDay
14%15%8%13%7%5%5%35%5%14%
1344
January1st to 15thNight
7%14%7%10%9%6%7%6%6%6%16%
2685
16th to endNight
11%12%7%10%8%46%6%6%6%17%
2763
February1st to 15thNight
7%11%5%7%7%48%6%5%6%28%
2321
16th to endNight
8%12%5%9%8%5%7%5%45%27%
2030
March1st to 15thNight
10%11%5%8%6%34346%33%
2049
16th to endNight
14%9%37%42446%7%34%
2112
April1st to 15thNight
11%7%35%5%35%5%6%6%40%
1717
16th to endNight
13%9%36%5%35%445%37%
1620
May1st to 15thNight
18%8%35%423446%36%
1485
16th to endNight
16%6%3432336%7%41%
1310
June1st to 15thNight
15%5%25%5%2445%8%40%
1260
16th to endNight
10%5%35%5%35%5%5%7%41%
1260
July1st to 15thNight
6%31432446%9%51%
1260
16th to endNight
5%32332446%9%54%
1323
August1st to 15thNight
8%413435%5%6%5%50%
1568
16th to endNight
7%32432435%8%55%
1719
September1st to 15thNight
11%414333346%50%
1747
16th to endNight
15%425%425%446%42%
1815
October1st to 15thNight
17%9%36%6%3445%7%31%
1958
16th to endNight
16%10%36%5%3446%6%30%
2238
November1st to 15thNight
15%14%6%7%5%3444428%
2449
16th to endNight
13%14%6%11%8%35%445%22%
2577
December1st to 15thNight
8%13%8%12%10%5%6%5%5%6%17%
2700
16th to endNight
14%16%7%13%9%5%5%5%45%13%
2880

Percentage Cloud Cover NW (2006-)
Color Meanings:
Overcast 90% covered 80% covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
10%11%6%10%8%5%7%7%7%6%18%
1254
16th to endDay
11%15%8%10%10%5%7%7%7%5%10%
1458
February1st to 15thDay
7%10%49%8%6%8%7%6%8%22%
1539
16th to endDay
9%11%5%11%8%5%8%7%6%5%20%
1454
March1st to 15thDay
11%13%7%9%7%46%5%37%22%
1899
16th to endDay
11%12%47%8%35%6%47%27%
2110
April1st to 15thDay
11%9%37%5%34446%38%
2231
16th to endDay
13%8%36%5%25%5%5%7%36%
2340
May1st to 15thDay
20%11%36%42435%5%32%
2463
16th to endDay
19%7%35%5%25%45%7%34%
2803
June1st to 15thDay
17%7%36%6%45%5%5%6%30%
2700
16th to endDay
15%6%35%5%35%5%6%8%33%
2700
July1st to 15thDay
10%4244346%6%10%41%
2700
16th to endDay
9%4245%3446%9%46%
2845
August1st to 15thDay
10%5%15%435%5%6%8%41%
2388
16th to endDay
11%424414448%48%
2483
September1st to 15thDay
11%6%35%424448%44%
2098
16th to endDay
16%6%2442345%7%40%
1815
October1st to 15thDay
17%12%38%7%34435%30%
1660
16th to endDay
17%13%38%5%36%5%5%6%23%
1631
November1st to 15thDay
15%14%6%7%5%14346%30%
1408
16th to endDay
14%14%6%12%11%4433420%
1383
December1st to 15thDay
9%17%7%11%9%5%7%7%5%5%13%
1260
16th to endDay
15%14%8%13%7%5%5%45%5%14%
1344
January1st to 15thNight
7%14%6%10%9%6%7%6%6%6%16%
2685
16th to endNight
11%13%7%10%8%46%6%6%6%17%
2763
February1st to 15thNight
7%10%48%7%48%6%6%5%27%
2314
16th to endNight
8%12%5%10%8%5%6%5%46%26%
2030
March1st to 15thNight
10%12%5%8%7%34446%33%
2061
16th to endNight
14%10%37%43436%7%34%
2110
April1st to 15thNight
11%7%35%5%3446%6%40%
1717
16th to endNight
12%9%35%5%45%436%37%
1620
May1st to 15thNight
18%8%35%5%23446%36%
1484
16th to endNight
16%6%3432336%8%41%
1311
June1st to 15thNight
15%5%25%5%2446%7%40%
1260
16th to endNight
10%6%26%5%35%5%5%7%41%
1260
July1st to 15thNight
6%31433446%9%51%
1260
16th to endNight
6%31331446%9%54%
1323
August1st to 15thNight
8%413435%5%5%6%51%
1568
16th to endNight
7%31441335%8%55%
1719
September1st to 15thNight
10%414424446%50%
1747
16th to endNight
15%424435%5%46%42%
1815
October1st to 15thNight
16%9%46%5%3445%7%31%
1958
16th to endNight
16%10%36%5%35%45%6%30%
2238
November1st to 15thNight
15%14%6%7%6%3444428%
2449
16th to endNight
13%13%6%11%8%35%345%22%
2577
December1st to 15thNight
8%13%7%12%10%5%6%6%5%6%16%
2700
16th to endNight
14%16%6%13%9%5%5%5%45%12%
2880

Percentage Cloud Cover SW (2006-)
Color Meanings:
Overcast 90% covered 80% covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
9%12%6%10%7%5%7%6%7%6%18%
1253
16th to endDay
11%14%8%10%9%47%7%7%5%10%
1458
February1st to 15thDay
7%9%5%9%7%7%8%7%6%8%22%
1539
16th to endDay
9%12%5%11%8%5%8%7%6%5%20%
1454
March1st to 15thDay
11%14%6%9%7%45%5%47%22%
1899
16th to endDay
11%12%47%8%35%6%5%7%27%
2112
April1st to 15thDay
11%9%37%5%3435%6%38%
2231
16th to endDay
13%8%45%5%25%46%6%36%
2340
May1st to 15thDay
19%11%46%423346%32%
2463
16th to endDay
19%7%35%5%25%45%6%34%
2803
June1st to 15thDay
17%7%36%6%45%45%6%30%
2700
16th to endDay
15%7%35%6%35%5%6%8%33%
2700
July1st to 15thDay
10%4244346%6%9%41%
2700
16th to endDay
9%42443446%8%46%
2845
August1st to 15thDay
11%5%15%5%345%6%8%41%
2388
16th to endDay
12%424324448%48%
2483
September1st to 15thDay
12%6%25%5%23447%44%
2098
16th to endDay
17%6%2442445%7%40%
1815
October1st to 15thDay
17%13%38%6%34435%30%
1660
16th to endDay
17%13%47%6%36%5%5%5%23%
1631
November1st to 15thDay
14%14%5%7%6%24347%30%
1408
16th to endDay
14%14%6%11%10%4433420%
1383
December1st to 15thDay
9%17%6%11%9%5%7%6%6%5%13%
1260
16th to endDay
14%14%8%13%8%5%5%35%5%14%
1344
January1st to 15thNight
7%14%7%10%9%6%7%6%6%6%16%
2685
16th to endNight
11%12%7%10%8%46%7%6%6%17%
2763
February1st to 15thNight
7%10%5%7%7%48%6%6%6%27%
2314
16th to endNight
8%12%5%9%9%46%5%45%27%
2030
March1st to 15thNight
10%11%5%8%6%44346%33%
2061
16th to endNight
14%9%36%42446%7%34%
2112
April1st to 15thNight
11%7%35%5%35%5%6%5%40%
1717
16th to endNight
13%9%36%5%45%436%37%
1620
May1st to 15thNight
18%9%36%5%23446%36%
1484
16th to endNight
16%6%2432336%7%41%
1310
June1st to 15thNight
15%5%25%5%245%5%7%40%
1260
16th to endNight
11%5%35%5%35%5%5%7%41%
1260
July1st to 15thNight
6%31432446%9%51%
1260
16th to endNight
5%32342446%9%54%
1323
August1st to 15thNight
8%414435%5%6%6%50%
1568
16th to endNight
7%41432435%8%55%
1719
September1st to 15thNight
11%414334346%51%
1747
16th to endNight
15%425%425%5%46%42%
1815
October1st to 15thNight
17%9%36%6%3445%7%31%
1958
16th to endNight
16%10%36%5%35%45%6%30%
2238
November1st to 15thNight
15%14%6%7%5%3444428%
2449
16th to endNight
13%14%6%11%8%35%445%22%
2577
December1st to 15thNight
8%13%7%12%10%5%6%5%5%6%17%
2700
16th to endNight
14%16%7%13%9%5%5%5%45%12%
2880

Percentage Cloud Cover SE (2006-)
Color Meanings:
Overcast 90% covered 80% covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
9%11%7%10%8%47%7%6%6%19%
1253
16th to endDay
11%15%8%9%10%5%7%7%7%5%10%
1458
February1st to 15thDay
8%8%49%8%6%8%7%6%8%22%
1539
16th to endDay
9%11%5%11%8%5%8%7%6%421%
1454
March1st to 15thDay
12%13%6%8%8%46%5%5%6%23%
1899
16th to endDay
12%11%47%7%445%5%7%27%
2110
April1st to 15thDay
12%8%36%6%35%346%39%
2231
16th to endDay
13%9%35%5%35%46%6%36%
2340
May1st to 15thDay
20%10%36%424345%33%
2463
16th to endDay
20%7%25%4345%47%34%
2803
June1st to 15thDay
18%7%36%5%46%45%6%30%
2700
16th to endDay
15%6%36%5%35%5%5%8%33%
2700
July1st to 15thDay
10%5%244345%7%9%42%
2700
16th to endDay
10%4245%3446%9%45%
2845
August1st to 15thDay
11%5%25%5%35%5%6%8%40%
2388
16th to endDay
12%42432345%7%48%
2483
September1st to 15thDay
13%5%35%42445%7%43%
2098
16th to endDay
17%6%2442445%7%40%
1815
October1st to 15thDay
18%13%37%7%33345%30%
1660
16th to endDay
18%13%47%6%36%5%6%6%23%
1631
November1st to 15thDay
15%14%5%6%6%33446%30%
1408
16th to endDay
14%14%7%10%11%5%4425%19%
1383
December1st to 15thDay
10%16%7%11%10%5%7%5%7%5%13%
1260
16th to endDay
14%15%8%13%7%45%446%14%
1344
January1st to 15thNight
7%15%6%10%9%5%7%6%6%6%17%
2685
16th to endNight
11%13%6%9%8%46%7%6%6%17%
2763
February1st to 15thNight
7%11%48%6%5%8%6%5%7%27%
2314
16th to endNight
8%12%5%8%9%46%45%5%27%
2030
March1st to 15thNight
10%11%5%8%6%34446%33%
2061
16th to endNight
15%9%46%42446%7%34%
2112
April1st to 15thNight
11%7%45%5%25%5%6%6%40%
1717
16th to endNight
13%9%35%5%45%445%37%
1620
May1st to 15thNight
18%9%35%42345%6%36%
1484
16th to endNight
16%6%25%32336%7%41%
1310
June1st to 15thNight
15%5%345%2445%8%40%
1260
16th to endNight
11%425%5%25%6%5%7%42%
1260
July1st to 15thNight
6%3143245%6%8%52%
1260
16th to endNight
6%32342436%8%54%
1323
August1st to 15thNight
8%413425%5%6%6%50%
1568
16th to endNight
7%31432435%8%54%
1719
September1st to 15thNight
11%414433346%50%
1747
16th to endNight
15%5%345%25%5%46%41%
1815
October1st to 15thNight
18%10%35%6%2445%7%31%
1958
16th to endNight
17%11%36%6%3446%5%30%
2238
November1st to 15thNight
15%13%6%8%434445%28%
2449
16th to endNight
13%14%7%10%8%35%445%21%
2577
December1st to 15thNight
8%13%7%12%10%5%5%5%5%7%16%
2700
16th to endNight
14%16%7%13%9%45%5%45%12%
2880

Transparency (when cloud cover <= 30%)
Color Meanings:
Too cloudy to forecast Poor Below Average Average Above average Transparent
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
61%5%14%15%2
1254
16th to endDay
69%5%8%14%2
1458
February1st to 15thDay
55%5%15%16%6%
1540
16th to endDay
61%6%11%15%6%
1454
March1st to 15thDay
59%7%12%15%5%
1899
16th to endDay
54%5%16%16%5%
2112
April1st to 15thDay
46%412%25%10%
2231
16th to endDay
46%414%22%10%2
2340
May1st to 15thDay
53%49%24%8%
2463
16th to endDay
48%5%10%21%12%1
2807
June1st to 15thDay
52%5%11%21%8%
2700
16th to endDay
47%5%19%21%5%
2700
July1st to 15thDay
35%6%16%32%8%
2541
16th to endDay
35%5%19%27%10%
2666
August1st to 15thDay
38%6%19%28%6%
2372
16th to endDay
34%417%34%8%
2483
September1st to 15thDay
39%5%19%28%7%
2098
16th to endDay
42%5%17%30%4
1815
October1st to 15thDay
57%314%20%4
1660
16th to endDay
58%6%18%14%2
1631
November1st to 15thDay
55%5%17%16%41
1408
16th to endDay
68%412%11%2
1383
December1st to 15thDay
68%5%14%9%1
1260
16th to endDay
70%310%12%3
1344
January1st to 15thNight
64%5%11%14%3
2685
16th to endNight
63%5%10%16%3
2763
February1st to 15thNight
52%6%15%18%7%
2324
16th to endNight
57%312%19%5%
2030
March1st to 15thNight
51%5%13%21%8%
2061
16th to endNight
47%414%24%8%
2112
April1st to 15thNight
41%312%22%16%2
1717
16th to endNight
47%39%23%14%1
1620
May1st to 15thNight
48%5%11%24%9%
1485
16th to endNight
40%412%23%15%2
1311
June1st to 15thNight
41%5%15%24%10%1
1260
16th to endNight
39%7%21%22%7%1
1260
July1st to 15thNight
26%7%18%35%10%1
1190
16th to endNight
26%319%34%13%1
1239
August1st to 15thNight
31%6%18%33%8%1
1561
16th to endNight
27%419%34%13%
1719
September1st to 15thNight
35%318%31%9%1
1747
16th to endNight
41%5%16%26%10%
1815
October1st to 15thNight
51%416%20%6%
1958
16th to endNight
54%317%21%2
2238
November1st to 15thNight
57%5%15%14%5%
2449
16th to endNight
64%5%13%12%3
2577
December1st to 15thNight
65%5%14%12%1
2700
16th to endNight
71%5%9%11%2
2880

Seeing (when cloud cover <= 80%)
Color Meanings:
Too cloudy to forecast Bad 1/5 Poor 2/5 Average 3/5 Good 4/5 Excellent 5/5
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 15thDay
47%27%43%15%1
90
16th to endDay
20%425%34%12%3
96
February1st to 15thDay
11%8%45%27%6%
90
16th to endDay
19%340%27%8%
81
March1st to 15thDay
14%8%27%32%16%
90
16th to endDay
11%7%35%25%14%6%
96
April1st to 15thDay
13%11%33%30%10%1
350
16th to endDay
18%8%31%29%11%2
450
May1st to 15thDay
25%11%26%23%11%1
468
16th to endDay
23%8%22%28%13%2
517
June1st to 15thDay
20%10%28%24%11%4
495
16th to endDay
18%7%26%27%14%5%
495
July1st to 15thDay
12%6%29%26%19%6%
475
16th to endDay
11%7%27%24%20%7%
515
August1st to 15thDay
9%5%27%27%20%8%
493
16th to endDay
12%6%24%33%18%4
523
September1st to 15thDay
10%7%28%33%17%1
295
16th to endDay
17%7%40%20%10%4
90
October1st to 15thDay
23%7%21%35%8%3
90
16th to endDay
37%27%22%10%2
96
November1st to 15thDay
20%10%20%36%11%2
90
16th to endDay
36%7%27%20%7%
90
December1st to 15thDay
17%25%36%16%3
90
16th to endDay
19%431%29%10%5%
96
January1st to 15thNight
15%8%30%30%13%2
900
16th to endNight
16%8%31%35%7%
960
February1st to 15thNight
12%5%25%36%16%2
880
16th to endNight
14%428%34%14%3
768
March1st to 15thNight
15%8%30%28%15%1
621
16th to endNight
19%7%25%27%17%3
576
April1st to 15thNight
15%5%28%35%12%1
539
16th to endNight
17%6%28%35%10%
540
May1st to 15thNight
23%5%30%29%10%
540
16th to endNight
19%6%29%32%11%
563
June1st to 15thNight
17%5%27%30%17%
540
16th to endNight
13%5%22%39%18%1
540
July1st to 15thNight
8%323%39%22%1
510
16th to endNight
7%320%40%24%2
564
August1st to 15thNight
11%120%43%20%2
539
16th to endNight
9%5%23%36%23%1
573
September1st to 15thNight
13%325%35%19%2
525
16th to endNight
17%428%35%13%
492
October1st to 15thNight
24%6%29%31%8%
638
16th to endNight
24%5%28%30%8%1
830
November1st to 15thNight
22%8%33%23%9%1
875
16th to endNight
21%7%34%27%7%1
900
December1st to 15thNight
15%5%28%36%13%1
900
16th to endNight
20%7%29%27%12%1
960
Page generated at 2017-09-11 18:35:28. Version ac04

Copyright 2017 A. Danko


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