Monthly Sunspot Observation Report

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June 2018 Sunspot classification and coordinates →

20.34
Monthly mean R
29 / 30
Observation days (97%)
65
Maximum R
1
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 07:25 2 28 48 3 Talar YONTAN TY0
Drawing 02 06:35 2 17 37 3 Talar YONTAN TY0
Drawing 03 10:05 1 2 12 3 Olcay PLEVNE OP
Drawing 04 07:30 1 2 12 3 Hikmet ÇAKMAK HÇ
Drawing 05 09:15 0 0 0 3 Seda KAPTAN SK0
Drawing 06 09:05 0 0 0 3 O.PLEVNE=Ö.Ö. ÖÖ
Drawing 07 08:35 1 1 11 3 O.PLEVNE-B.C. BC
Drawing 08 08:15 0 0 0 3 Olcay PLEVNE OP
Drawing 09 09:15 0 0 0 3 Hikmet ÇAKMAK HÇ
Drawing 10 07:45 0 0 0 4 Ö.ÖNALTAŞ=B.C. BC
Drawing 11 10:40 0 0 0 3 Hikmet ÇAKMAK HÇ
Drawing 12 06:25 1 2 12 3 S.FİŞEK=B.C. BC
Drawing 13 06:25 1 9 19 3 S.FİŞEK=O.P. OP
Drawing 14 08:10 1 3 13 3 O.PLEVNE=S.F. SF
Drawing 15 08:00 2 7 27 3 Talar YONTAN TY0
Drawing 16 09:35 1 5 15 3 Hikmet ÇAKMAK HÇ
Drawing 18 11:30 2 10 30 3 Seda KAPTAN SK0
Drawing 19 06:15 2 27 47 3 Ö.ÖNALTAŞ-H.Ç. HÇ
Drawing 20 08:10 3 35 65 3 H.ÇAKMAK=Ö.Ö. ÖÖ
Drawing 21 07:30 3 33 63 3 S.FİŞEK=B.C. BC
Drawing 22 09:14 2 37 57 3 Talar YONTAN TY0
Drawing 23 08:35 2 14 34 3 Olcay PLEVNE OP
Drawing 24 10:00 2 11 31 3 Hikmet ÇAKMAK HÇ
Drawing 25 10:30 1 11 21 3 Hikmet ÇAKMAK HÇ
Drawing 26 11:00 1 3 13 3 Seda KAPTAN SK0
Drawing 27 09:25 2 3 23 3 H.ÇAKMAK=Ö.Ö. ÖÖ
Drawing 28 08:30 0 0 0 3 B.COŞKUNOĞLU=S.F. SF
Drawing 29 08:30 0 0 0 3 Olcay PLEVNE OP
Drawing 30 06:15 0 0 0 4 Başar COŞKUNOĞLU BC
Monthly Mean of Relative Number: 20.34 [29 observations; 97%]

Observers Observation days this month and mean observing times

ObserverDaysMean time (all)Mean time (own duty days)
Hikmet Çakmak HÇ 8 09:23 09:35 [6]
Olcay Plevne OP 7 08:45 08:51 [4]
Talar Yontan TY0 4 07:49 07:49 [4]
Seda Kaptan SK0 3 10:35 10:35 [3]
Süleyman Fişek SF 3 06:47 --:--
Ozgecan Önal Taş ÖÖ 2 07:00 --:--
Başar Coşkunoğlu BC 2 07:23 06:15 [1]
Month total29 – 1Observing 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): 146 / 181 (81%) Days without observation: 35 Consecutive days: 13 (longest 37)

Solar Cycles 24 and 25 Solar cycle evolution