Monthly Sunspot Observation Report

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July 2009 Sunspot classification and coordinates →

0.80
Monthly mean R
15 / 31
Observation days (48%)
12
Maximum R
16
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
– 01 08:36 0 0 0 3 Hasan ESENOĞLU
Drawing 18 09:40 0 0 0 4 Korhan YELKENCİ
– 19 12:30 0 0 0 3 Hasan ESENOĞLU
Drawing 20 13:10 0 0 0 3 Nurol Al
Drawing 21 10:55 0 0 0 4 Nurol Al
Drawing 22 10:35 0 0 0 3 Nurol Al
Drawing 23 08:30 0 0 0 3 Nurol Al
Drawing 24 07:20 0 0 0 4 Talat SAYGAÇ
Drawing 25 07:05 0 0 0 4 Selçuk BİLİR
Drawing 26 07:25 0 0 0 4 Selçuk BİLİR
Drawing 27 07:15 0 0 0 3 Korhan YELKENCİ
Drawing 28 09:35 0 0 0 4 Sinan ALİŞ
Drawing 29 08:00 0 0 0 4 Korhan YELKENCİ
Drawing 30 10:55 1 2 12 3 Sinan ALİŞ
Drawing 31 12:40 0 0 0 3 Korhan YELKENCİ
Monthly Mean of Relative Number: 0.80 [15 observations; 48%]

Observers Observation days this month and mean observing times

ObserverDaysMean time (all)Mean time (own duty days)
Korhan Yelkenci KY 4 09:24 --:--
Nurol Al NA 4 10:48 --:--
Hasan Hüseyin Esenoğlu HE 2 10:33 --:--
Selçuk Bilir SB0 2 07:15 --:--
Sinan Aliş SA 2 10:15 --:--
Ahmet Talat Saygaç TS 1 07:20 --:--
Month total15 – 16Observing 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): 15 / 212 (7%) Days without observation: 197 Consecutive days: 14 (longest 14)

Solar Cycles 24 and 25 Solar cycle evolution