Monthly Sunspot Observation Report
September 2026 Sunspot classification and coordinates →
61.50
Monthly mean R
22 / 30
Observation days (73%)
134
Maximum R
8
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
| Drawing | D | T (UT) | g | f | R | Q | O | G |
|---|---|---|---|---|---|---|---|---|
| Drawing | 01 | 07:10 | 5 | 21 | 71 | 3 | Emre YILMAN | EY |
| Drawing | 02 | 08:30 | 2 | 9 | 29 | 3 | Melike ERYILMAZ | ME |
| Drawing | 03 | 07:30 | 3 | 9 | 39 | 3 | Emre YILMAN | EY |
| Drawing | 04 | 07:20 | 4 | 11 | 51 | 3 | Süleyman FİŞEK | SF |
| Drawing | 05 | 07:45 | 3 | 10 | 40 | 3 | Süleyman FİŞEK | SF |
| Drawing | 06 | 07:36 | 5 | 17 | 67 | 3 | Süleyman FİŞEK | SF |
| Drawing | 07 | 07:55 | 7 | 24 | 94 | 3 | Süleyman FİŞEK | SF |
| Drawing | 08 | 11:15 | 7 | 26 | 96 | 3 | Korhan YELKENCİ | KY |
| Drawing | 09 | 08:15 | 8 | 26 | 106 | 3 | Süleyman FİŞEK | SF |
| Drawing | 10 | 07:25 | 7 | 24 | 94 | 3 | Emre YILMAN | EY |
| Drawing | 11 | 07:35 | 7 | 28 | 98 | 3 | Süleyman FİŞEK | SF |
| Drawing | 12 | 06:50 | 6 | 17 | 77 | 3 | Melike ERYILMAZ | ME |
| Drawing | 13 | 10:05 | 4 | 11 | 51 | 3 | Korhan YELKENCİ | KY |
| Drawing | 17 | 10:35 | 1 | 1 | 11 | 3 | Tuğba BOZTEPE | TB |
| Drawing | 19 | 07:05 | 1 | 1 | 11 | 3 | Süleyman FİŞEK | SF |
| Drawing | 20 | 08:30 | 3 | 7 | 37 | 3 | Melike ERYILMAZ | ME |
| Drawing | 21 | 08:23 | 4 | 19 | 59 | 3 | Melike ERYILMAZ | ME |
| Drawing | 24 | 08:10 | 7 | 64 | 134 | 4 | Tuğba BOZTEPE | TB |
| Drawing | 25 | 11:17 | 6 | 15 | 75 | 3 | Melike ERYILMAZ | ME |
| Drawing | 26 | 10:40 | 4 | 8 | 48 | 2 | Korhan YELKENCİ | KY |
| Drawing | 27 | 11:00 | 2 | 12 | 32 | 3 | Burçin TANIK | BT |
| Drawing | 30 | 12:15 | 2 | 13 | 33 | 3 | Burçin TANIK | BT |
| Monthly Mean of Relative Number: 61.50 [22 observations; 73%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Süleyman Fişek SF | 7 | 07:39 | 07:39 [7] |
| Melike Eryılmaz ME | 5 | 08:42 | 08:42 [5] |
| Emre Yılman EY | 3 | 07:22 | 07:22 [3] |
| Korhan Yelkenci KY | 3 | 10:40 | 10:40 [3] |
| Tuğba Boztepe TB | 2 | 09:23 | 09:23 [2] |
| Burçin Tanık BT | 2 | 11:38 | 11:38 [2] |
| Month total | 22 – 8 | Observing 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): 167 / 273 (61%)
Days without observation: 106
Consecutive days: 1 (longest 15)