Monthly Sunspot Observation Report

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October 2009 Sunspot classification and coordinates →

5.30
Monthly mean R
20 / 31
Observation days (65%)
39
Maximum R
11
Days without observation

D: Day · T: Time (UT) · g: Number of groups · f: Number of spots · R: Relative number (10g+f) · Q: Seeing 1–5 · O: Observer · G: Assigned observer

DrawingDT (UT)gfRQOG
Drawing 01 11:25 0 0 0 3 Sinan ALİŞ
Drawing 02 05:30 0 0 0 4 Korhan YELKENCİ
Drawing 03 05:55 0 0 0 2 Hasan ESENOĞLU
Drawing 04 06:15 0 0 0 2 Korhan YELKENCİ
Drawing 06 07:50 0 0 0 2 Hasan ESENOĞLU
Drawing 07 13:00 0 0 0 4 Korhan YELKENCİ
Drawing 08 13:10 0 0 0 4 Korhan YELKENCİ
Drawing 09 06:45 0 0 0 3 Hasan ESENOĞLU
Drawing 10 12:00 0 0 0 4 Sinan ALİŞ
Drawing 11 11:05 0 0 0 3 Hasan ESENOĞLU
Drawing 12 06:00 0 0 0 3 Hasan ESENOĞLU
Drawing 13 07:44 0 0 0 4 Sinan ALİŞ
Drawing 14 13:13 0 0 0 3 Sinan ALİŞ
Drawing 16 06:30 0 0 0 3 Hasan ESENOĞLU
Drawing 19 06:45 0 0 0 3 Hasan ESENOĞLU
Drawing 20 11:07 0 0 0 3 Sinan ALİŞ
Drawing 23 08:15 1 7 17 4 Korhan YELKENCİ
Drawing 24 11:30 1 25 35 4 Sinan ALİŞ
Drawing 25 10:45 1 29 39 3 Korhan YELKENCİ
Drawing 29 08:30 1 5 15 2 Hasan ESENOĞLU
Monthly Mean of Relative Number: 5.30 [20 observations; 65%]

Observers Observation days this month and mean observing times

ObserverDaysMean time (all)Mean time (own duty days)
Hasan Hüseyin Esenoğlu HE 8 07:25 --:--
Sinan Aliş SA 6 11:10 --:--
Korhan Yelkenci KY 6 09:29 --:--
Month total20 – 11Observing window: 06:00 – 08:00 UT

Colour: black = within the window, green = up to 30 min late, purple = later.

The last twelve months Development of the daily and monthly mean relative number

Observation days (2009): 86 / 304 (28%) Days without observation: 218 Consecutive days: 0 (longest 45)

Solar Cycles 24 and 25 Solar cycle evolution