Monthly Sunspot Observation Report

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September 2022 Sunspot classification and coordinates →

98.79
Monthly mean R
28 / 30
Observation days (93%)
211
Maximum R
2
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 06:45 3 28 58 3 Burçin TANIK BT
Drawing 02 08:45 3 16 46 3 Olcay PLEVNE OP
Drawing 03 11:00 4 42 82 3 Talar YONTAN TY0
Drawing 04 07:48 4 24 64 3 Burçin TANIK BT
Drawing 05 12:40 7 22 92 3 Hikmet ÇAKMAK HÇ
Drawing 06 08:05 9 22 112 3 Hikmet ÇAKMAK HÇ
Drawing 07 07:50 8 30 110 3 Hikmet ÇAKMAK HÇ
Drawing 08 07:30 6 20 80 3 Burçin TANIK BT
Drawing 09 07:08 7 29 99 3 Burçin TANIK BT
Drawing 10 08:30 8 32 112 3 Burçin TANIK BT
Drawing 11 07:05 8 48 128 3 Korhan YELKENCİ KY
Drawing 12 09:05 5 25 75 3 Ergün EGE EE
Drawing 14 09:30 7 46 116 3 Başar COŞKUNOĞLU BC
Drawing 15 07:55 9 43 133 3 Burçin TANIK BT
Drawing 16 08:00 4 27 67 3 Başar COŞKUNOĞLU BC
Drawing 17 08:25 7 50 120 3 Hikmet ÇAKMAK HÇ
Drawing 18 06:50 2 18 38 3 Ergün EGE EE
Drawing 19 08:05 5 27 77 3 Hikmet ÇAKMAK HÇ
Drawing 20 09:40 5 33 83 3 Talar YONTAN TY0
Drawing 21 08:00 5 45 95 4 Özgecan ÖNALTAŞ ÖÖ
Drawing 23 13:00 6 51 111 3 O.PLEVNE=B.C. BC
Drawing 24 08:00 6 70 130 3 Olcay PLEVNE OP
Drawing 25 07:20 6 151 211 4 Özgecan ÖNALTAŞ ÖÖ
Drawing 26 10:28 9 95 185 3 T.YONTAN=Ö.Ö. EE
Drawing 27 10:30 5 46 96 3 Özgecan ÖNALTAŞ TY0
Drawing 28 09:44 4 50 90 3 Özgecan ÖNALTAŞ ÖÖ
Drawing 29 06:25 4 35 75 3 Korhan YELKENCİ KY
Drawing 30 08:50 6 21 81 4 Başar COŞKUNOĞLU OP
Monthly Mean of Relative Number: 98.79 [28 observations; 93%]

Observers Observation days this month and mean observing times

ObserverDaysMean time (all)Mean time (own duty days)
Burçin Tanık BT 6 07:36 07:36 [6]
Hikmet Çakmak HÇ 5 09:01 09:01 [5]
Ozgecan Önal Taş ÖÖ 4 08:53 08:21 [3]
Olcay Plevne OP 3 09:55 08:23 [2]
Talar Yontan TY0 3 10:23 10:20 [2]
Başar Coşkunoğlu BC 3 08:47 08:45 [2]
Korhan Yelkenci KY 2 06:45 06:45 [2]
Ergün Ege EE 2 07:58 07:58 [2]
Month total28 – 2Observing 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 (2022): 215 / 273 (79%) Days without observation: 58 Consecutive days: 8 (longest 51)

Solar Cycles 24 and 25 Solar cycle evolution