Monthly Sunspot Observation Report
May 2026 Sunspot classification and coordinates →
85.00
Monthly mean R
18 / 31
Observation days (58%)
130
Maximum R
13
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 | 02 | 09:30 | 6 | 52 | 112 | 3 | Burçin TANIK | BT |
| Drawing | 06 | 08:32 | 6 | 37 | 97 | 3 | Süleyman FİŞEK | SF |
| Drawing | 07 | 08:25 | 4 | 15 | 55 | 3 | İ.ÖZDEMİR+E.Y. | İÖ |
| Drawing | 10 | 10:35 | 5 | 29 | 79 | 3 | Olcay PLEVNE | OP |
| Drawing | 11 | 10:05 | 5 | 31 | 81 | 3 | İ.ÖZDEMİR+E.Y. | İÖ |
| Drawing | 12 | 07:20 | 4 | 10 | 50 | 3 | Emre YILMAN | EY |
| Drawing | 13 | 10:05 | 5 | 23 | 73 | 3 | İ.ÖZDEMİR+E.E. | İÖ |
| Drawing | 15 | 07:07 | 3 | 12 | 42 | 3 | Emre YILMAN | İÖ |
| Drawing | 16 | 13:30 | 4 | 9 | 49 | 3 | Olcay PLEVNE | OP |
| Drawing | 17 | 09:15 | 7 | 22 | 92 | 3 | Burçin TANIK | BT |
| Drawing | 18 | 07:15 | 6 | 17 | 77 | 3 | Emre YILMAN | EY |
| Drawing | 19 | 12:45 | 4 | 13 | 53 | 3 | Olcay PLEVNE | OP |
| Drawing | 22 | 10:30 | 8 | 45 | 125 | 3 | Korhan YELKENCİ | KY |
| Drawing | 25 | 09:40 | 7 | 25 | 95 | 3 | Burçin TANIK | BT |
| Drawing | 26 | 08:00 | 5 | 49 | 99 | 3 | Tuğba BOZTEPE | TB |
| Drawing | 27 | 08:25 | 7 | 60 | 130 | 4 | Tuğba BOZTEPE | TB |
| Drawing | 28 | 07:50 | 6 | 49 | 109 | 4 | Tuğba BOZTEPE | TB |
| Drawing | 30 | 08:48 | 8 | 32 | 112 | 3 | Yağız ALTIKULAÇ | YA |
| Monthly Mean of Relative Number: 85.00 [18 observations; 58%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Burçin Tanık BT | 3 | 09:28 | 09:28 [3] |
| İrem Özdemir İÖ | 3 | 09:32 | 09:32 [3] |
| Olcay Plevne OP | 3 | 12:17 | 12:17 [3] |
| Emre Yılman EY | 3 | 07:14 | 07:18 [2] |
| Tuğba Boztepe TB | 3 | 08:05 | 08:05 [3] |
| Süleyman Fişek SF | 1 | 08:32 | 08:32 [1] |
| Korhan Yelkenci KY | 1 | 10:30 | 10:30 [1] |
| Yağız Altıkulaç YA | 1 | 08:48 | 08:48 [1] |
| Month total | 18 – 13 | 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): 66 / 151 (44%)
Days without observation: 85
Consecutive days: 1 (longest 6)