Monthly Sunspot Observation Report

‹›

July 2026 Sunspot classification and coordinates →

75.48
Monthly mean R
27 / 31
Observation days (87%)
125
Maximum R
4
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 08:53 4 63 103 3 Emre YILMAN EY
Drawing 02 08:35 3 76 106 3 Emre YILMAN EY
Drawing 03 10:45 4 50 90 3 Emre YILMAN EY
Drawing 05 07:59 7 37 107 3 Korhan YELKENCİ KY
Drawing 06 07:25 5 17 67 3 E.YILMAN+M.E. EY
Drawing 07 07:20 3 23 53 3 Emre YILMAN EY
Drawing 08 08:05 5 33 83 3 S.FİŞEK+M.E. SF
Drawing 10 10:00 4 33 73 3 Korhan YELKENCİ KY
Drawing 11 09:05 4 34 74 3 Tuğba BOZTEPE KY
Drawing 12 07:55 7 22 92 3 Melike ERYILMAZ SF
Drawing 13 06:30 3 7 37 3 Burçin TANIK BT
Drawing 14 10:00 2 4 24 3 Olcay PLEVNE OP
Drawing 15 08:15 2 3 23 3 Melike ERYILMAZ SF
Drawing 17 07:50 4 9 49 3 Melike ERYILMAZ ME
Drawing 18 11:30 3 4 34 3 Burçin TANIK BT
Drawing 19 12:30 2 11 31 3 Olcay PLEVNE OP
Drawing 20 08:35 4 22 62 3 Melike ERYILMAZ ME
Drawing 21 09:30 4 30 70 3 Melike ERYILMAZ ME
Drawing 22 09:00 4 28 68 3 Burçin TANIK BT
Drawing 23 08:45 4 22 62 3 Melike ERYILMAZ ME
Drawing 24 10:15 6 31 91 3 Melike ERYILMAZ ME
Drawing 26 09:55 4 42 82 3 Tuğba BOZTEPE TB
Drawing 27 09:00 7 47 117 4 Tuğba BOZTEPE TB
Drawing 28 14:00 6 34 94 3 Olcay PLEVNE OP
Drawing 29 10:15 7 28 98 4 Tuğba BOZTEPE TB
Drawing 30 09:15 7 53 123 4 Tuğba BOZTEPE TB
Drawing 31 10:50 8 45 125 3 Tuğba BOZTEPE TB
Monthly Mean of Relative Number: 75.48 [27 observations; 87%]

Observers Observation days this month and mean observing times

ObserverDaysMean time (all)Mean time (own duty days)
Melike Eryılmaz ME 7 08:44 08:59 [5]
Tuğba Boztepe TB 6 09:43 09:51 [5]
Emre Yılman EY 5 08:36 08:36 [5]
Burçin Tanık BT 3 09:00 09:00 [3]
Olcay Plevne OP 3 12:10 12:10 [3]
Korhan Yelkenci KY 2 09:00 09:00 [2]
Süleyman Fişek SF 1 08:05 08:05 [1]
Month total27 – 4Observing 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 (2026): 117 / 212 (55%) Days without observation: 95 Consecutive days: 6 (longest 10)

Solar Cycles 24 and 25 Solar cycle evolution