Monthly Sunspot Observation Report

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August 2018 Sunspot classification and coordinates →

10.42
Monthly mean R
31 / 31
Observation days (100%)
42
Maximum R
0
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 08:50 1 3 13 3 H.ÇAKMAK-Ö.Ö. ÖÖ
Drawing 02 11:25 0 0 0 4 Başar COŞKUNOĞLU BC
Drawing 03 06:40 1 6 16 3 Talar YONTAN TY0
Drawing 04 08:45 0 0 0 3 Başar COŞKUNOĞLU BC
Drawing 05 06:15 0 0 0 5 Özgecan ÖNALTAŞ ÖÖ
Drawing 06 08:55 0 0 0 3 Hikmet ÇAKMAK HÇ
Drawing 07 07:15 0 0 0 3 Olcay PLEVNE OP
Drawing 08 11:35 0 0 0 3 Özgecan ÖNALTAŞ ÖÖ
Drawing 09 12:45 0 0 0 3 Başar COŞKUNOĞLU BC
Drawing 10 09:50 0 0 0 3 Talar YONTAN TY0
Drawing 11 06:30 0 0 0 3 Olcay PLEVNE OP
Drawing 12 09:25 0 0 0 3 Talar YONTAN TY0
Drawing 13 08:10 0 0 0 3 Hikmet ÇAKMAK HÇ
Drawing 14 08:30 1 1 11 3 Olcay PLEVNE OP
Drawing 15 10:30 1 1 11 3 Olcay PLEVNE OP
Drawing 16 11:45 1 2 12 3 O.PLEVNE-B.C. BC
Drawing 17 11:25 1 2 12 3 Talar YONTAN TY0
Drawing 18 10:20 2 2 22 3 Hikmet ÇAKMAK HÇ
Drawing 19 09:40 1 3 13 4 Başar COŞKUNOĞLU BC
Drawing 20 08:25 1 5 15 4 Hikmet ÇAKMAK HÇ
Drawing 21 07:25 1 9 19 3 Olcay PLEVNE OP
Drawing 22 07:20 1 5 15 4 Hikmet ÇAKMAK HÇ
Drawing 23 10:45 2 8 28 4 Başar COŞKUNOĞLU BC
Drawing 24 11:45 2 14 34 3 Talar YONTAN TY0
Drawing 25 10:05 2 22 42 3 Talar YONTAN TY0
Drawing 26 13:20 2 4 24 3 Olcay PLEVNE OP
Drawing 27 07:30 2 5 25 3 Hikmet ÇAKMAK HÇ
Drawing 28 07:30 1 1 11 3 Olcay PLEVNE OP
Drawing 29 10:45 0 0 0 3 H.ÇAKMAK-B.C. BC
Drawing 30 09:35 0 0 0 3 Hikmet ÇAKMAK HÇ
Drawing 31 08:25 0 0 0 3 Talar YONTAN TY0
Monthly Mean of Relative Number: 10.42 [31 observations; 100%]

Observers Observation days this month and mean observing times

ObserverDaysMean time (all)Mean time (own duty days)
Hikmet Çakmak HÇ 9 08:52 08:36 [7]
Olcay Plevne OP 8 09:06 08:43 [7]
Talar Yontan TY0 7 09:39 09:39 [7]
Başar Coşkunoğlu BC 5 10:40 10:40 [5]
Ozgecan Önal Taş ÖÖ 2 08:55 08:55 [2]
Month total31 – 0Observing 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 (2018): 208 / 243 (86%) Days without observation: 35 Consecutive days: 75 (longest 75)

Solar Cycles 24 and 25 Solar cycle evolution