Monthly Sunspot Observation Report

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February 2026 Sunspot classification and coordinates →

50.13
Monthly mean R
8 / 28
Observation days (29%)
122
Maximum R
20
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 06 08:30 8 42 122 3 İ.ÖZDEMİR+E.E. İÖ
Drawing 14 10:20 6 12 72 3 Burçin TANIK BT
Drawing 16 08:15 5 19 69 3 Süleyman FİŞEK SF
Drawing 19 08:50 3 4 34 3 Ergün EGE EE
Drawing 20 11:01 3 6 36 3 Emre YILMAN EY
Drawing 21 11:00 1 1 11 3 Burçin TANIK BT
Drawing 23 09:40 2 3 23 3 Y.ALTIKULAÇ+İ.Ö. YA
Drawing 24 12:08 3 4 34 3 İrem ÖZDEMİR İÖ
Monthly Mean of Relative Number: 50.13 [8 observations; 29%]

Observers Observation days this month and mean observing times

ObserverDaysMean time (all)Mean time (own duty days)
İrem Özdemir İÖ 2 10:19 10:19 [2]
Burçin Tanık BT 2 10:40 10:40 [2]
Süleyman Fişek SF 1 08:15 08:15 [1]
Ergün Ege EE 1 08:50 08:50 [1]
Emre Yılman EY 1 11:01 11:01 [1]
Yağız Altıkulaç YA 1 09:40 09:40 [1]
Month total8 – 20Observing window: 07:00 – 09:00 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 (2026): 16 / 59 (27%) Days without observation: 43 Consecutive days: 0 (longest 3)

Solar Cycles 24 and 25 Solar cycle evolution