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    1. http://www.aaa.org/EyepieceFiles/aaa/2011_07_July_Eyepiece.pdf
    ... sunspots' strength, and predicts that by the next solar cycle, erupting magnetic ... Several other prominent dark sunspots or groups of sunspots also appeared on the Sun ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2011_07_July_Eyepiece.pdf -- 672.6 Кб -- 22.02.2015
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    2. http://www.aaa.org/EyepieceFiles/aaa/2011_03_March_Eyepiece.pdf
    ... Fedrick I have been projecting the Sun's ima ge weekly to observe sunspot activity ... to project the Sun's ima ge onto a piece of paper and tracing sunspot positions ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2011_03_March_Eyepiece.pdf -- 817.7 Кб -- 22.02.2015
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    3. http://www.aaa.org/EyepieceFiles/aaa/2009_12_December_Eyepiece.pdf
    ... Sunspots Reappear, Disappear By Joseph A. Fedrick A long and narrow complex group of sunspots appeared on an image of the Sun projected onto paper with my 60mm refractor on the morning of October 25. ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2009_12_December_Eyepiece.pdf -- 313.1 Кб -- 22.02.2015
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    4. http://www.aaa.org/EyepieceFiles/aaa/2009_08_August_Eyepiece.pdf
    ... p er with my 60mm refractor 12 times from February through June and saw no sunspots ... In fact, I saw no sunspots at all between August 26, 2007 and October 12, 2008 and ... Solar sunspot activity is st ill r a t h er wea k . ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2009_08_August_Eyepiece.pdf -- 742.7 Кб -- 22.02.2015
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    5. http://www.aaa.org/EyepieceFiles/aaa/2013_05_May_Eyepiece.pdf
    ... of the fact that this year was supposed to be the peak of this solar sunspot cycle ... However, a fairly large sunspot began to rotate onto the solar disk on Sat, Mar 30. ... A large sunspot could be seen emerging at the solar limb. ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2013_05_May_Eyepiece.pdf -- 2891.2 Кб -- 14.10.2015
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    6. http://www.aaa.org/s932/images/09fallclass3.pdf
    ... The diverse phenomena that result are observable as sunspots, prominences, solar flares, .. ...
    [ Текст ]  Ссылки http://www.aaa.org/s932/images/09fallclass3.pdf -- 1260.6 Кб -- 07.09.2011
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    7. http://www.aaa.org/EyepieceFiles/aaa/2012_07_July_Eyepiece.pdf
    ... The sunspot group was large enough to be barely visible with use of onl y eclipse glasses and no magnification or other optical aid - a "naked eye" sunspot group. ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2012_07_July_Eyepiece.pdf -- 1301.4 Кб -- 14.10.2015
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    8. http://www.aaa.org/EyepieceFiles/aaa/2011_10_October_Eyepiece.pdf
    ... Sunspots Early: Scientists have found a way to spot active regions of the Sun below the surface, a day or two before they erupt ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2011_10_October_Eyepiece.pdf -- 617.8 Кб -- 22.02.2015
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    9. http://www.aaa.org/EyepieceFiles/aaa/2010_02_February_Eyepiece.pdf
    ... I saw a small group of sunspots by image projection with my 60mm refractor December 27 at 9:45 a. m. The previous day on which I saw sunspots was October 25. ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2010_02_February_Eyepiece.pdf -- 318.3 Кб -- 22.02.2015
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    10. http://www.aaa.org/EyepieceFiles/aaa/2010_04_April_Eyepiece.pdf
    ... April 28 Full Moon at 8:18 a.m. Sunspots Wax and Wane By Joseph A. Fedrick Sunspots reappeared in projected images of the Sun with my 60mm refractor during January and February. ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2010_04_April_Eyepiece.pdf -- 328.5 Кб -- 22.02.2015
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