Monthly Sunspot Observation Report
July 2025 Sunspot classification and coordinates →
129.12
Monthly mean R
25 / 31
Observation days (81%)
215
Maximum R
6
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 | 09:00 | 8 | 43 | 123 | 3 | Olcay PLEVNE | OP |
| Drawing | 02 | 12:00 | 8 | 27 | 107 | 3 | Burçin TANIK | BT |
| Drawing | 03 | 08:35 | 8 | 42 | 122 | 3 | Süleyman FİŞEK | SF |
| Drawing | 04 | 07:55 | 6 | 34 | 94 | 3 | Korhan YELKENCİ | KY |
| Drawing | 05 | 08:40 | 5 | 24 | 74 | 3 | Süleyman FİŞEK | SF |
| Drawing | 06 | 07:30 | 7 | 27 | 97 | 3 | Süleyman FİŞEK | SF |
| Drawing | 07 | 07:05 | 9 | 32 | 122 | 3 | Süleyman FİŞEK | KY |
| Drawing | 09 | 07:30 | 6 | 25 | 85 | 3 | Burçin TANIK | BT |
| Drawing | 10 | 07:10 | 6 | 29 | 89 | 3 | Süleyman FİŞEK | SF |
| Drawing | 11 | 08:40 | 6 | 28 | 88 | 3 | Ergün EGE | EE |
| Drawing | 12 | 10:10 | 7 | 44 | 114 | 3 | Ergün EGE | EE |
| Drawing | 13 | 11:10 | 8 | 45 | 125 | 3 | Ergün EGE | OP |
| Drawing | 15 | 10:35 | 12 | 67 | 187 | 3 | Ergün EGE | OP |
| Drawing | 16 | 08:30 | 12 | 90 | 210 | 3 | Burçin TANIK | BT |
| Drawing | 17 | 07:00 | 10 | 115 | 215 | 3 | Süleyman FİŞEK | SF |
| Drawing | 18 | 12:30 | 6 | 72 | 132 | 3 | O.PLEVNE=E.E. | EE |
| Drawing | 20 | 13:00 | 9 | 46 | 136 | 3 | O.PLEVNE=E.E. | EE |
| Drawing | 21 | 07:05 | 14 | 55 | 195 | 3 | Süleyman FİŞEK | KY |
| Drawing | 22 | 13:30 | 7 | 26 | 96 | 3 | Olcay PLEVNE | OP |
| Drawing | 23 | 07:00 | 6 | 40 | 100 | 3 | Burçin TANIK | BT |
| Drawing | 24 | 06:35 | 9 | 30 | 120 | 3 | Süleyman FİŞEK | SF |
| Drawing | 25 | 10:35 | 11 | 47 | 157 | 3 | Ergün EGE | EE |
| Drawing | 29 | 08:40 | 10 | 39 | 139 | 3 | Ergün EGE | OP |
| Drawing | 30 | 12:40 | 10 | 43 | 143 | 3 | Burçin TANIK | BT |
| Drawing | 31 | 07:20 | 10 | 58 | 158 | 3 | Ergün EGE | EE |
| Monthly Mean of Relative Number: 129.12 [25 observations; 81%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Süleyman Fişek SF | 8 | 07:28 | 07:35 [6] |
| Ergün Ege EE | 7 | 09:36 | 09:11 [4] |
| Burçin Tanık BT | 5 | 09:32 | 09:32 [5] |
| Olcay Plevne OP | 4 | 12:00 | 11:15 [2] |
| Korhan Yelkenci KY | 1 | 07:55 | 07:55 [1] |
| Month total | 25 – 6 | 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 (2025): 147 / 212 (69%)
Days without observation: 65
Consecutive days: 3 (longest 29)