Monthly Sunspot Observation Report
May 2025 Sunspot classification and coordinates →
79.35
Monthly mean R
23 / 31
Observation days (74%)
124
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 | 03 | 06:20 | 2 | 29 | 49 | 3 | Korhan YELKENCİ | KY |
| Drawing | 04 | 11:50 | 4 | 52 | 92 | 3 | Burçin TANIK | BT |
| Drawing | 05 | 07:40 | 6 | 64 | 124 | 3 | Süleyman FİŞEK | KY |
| Drawing | 06 | 07:25 | 4 | 44 | 84 | 3 | Süleyman FİŞEK | SF |
| Drawing | 07 | 10:30 | 3 | 73 | 103 | 3 | Burçin TANIK | BT |
| Drawing | 09 | 08:00 | 4 | 19 | 59 | 3 | Ergün EGE | EE |
| Drawing | 11 | 09:05 | 4 | 12 | 52 | 3 | Ergün EGE | EE |
| Drawing | 12 | 11:40 | 6 | 14 | 74 | 3 | Süleyman FİŞEK | KY |
| Drawing | 13 | 11:45 | 5 | 8 | 58 | 3 | Olcay PLEVNE | OP |
| Drawing | 14 | 07:30 | 2 | 5 | 25 | 3 | Burçin TANIK | BT |
| Drawing | 15 | 07:30 | 3 | 15 | 45 | 3 | Süleyman FİŞEK | SF |
| Drawing | 16 | 10:30 | 4 | 15 | 55 | 3 | Ergün EGE | EE |
| Drawing | 18 | 12:45 | 4 | 15 | 55 | 3 | Süleyman FİŞEK | SF |
| Drawing | 19 | 05:25 | 5 | 14 | 64 | 3 | Korhan YELKENCİ | KY |
| Drawing | 20 | 12:55 | 5 | 16 | 66 | 3 | Süleyman FİŞEK | BT |
| Drawing | 21 | 08:00 | 8 | 29 | 109 | 3 | Süleyman FİŞEK | BT |
| Drawing | 22 | 08:20 | 8 | 17 | 97 | 3 | Süleyman FİŞEK | SF |
| Drawing | 23 | 09:45 | 9 | 28 | 118 | 3 | Ergün EGE | EE |
| Drawing | 24 | 07:10 | 8 | 28 | 108 | 3 | Korhan YELKENCİ | EE |
| Drawing | 25 | 08:10 | 7 | 17 | 87 | 3 | Ergün EGE | KY |
| Drawing | 27 | 06:45 | 8 | 23 | 103 | 3 | Ergün EGE | EE |
| Drawing | 28 | 09:45 | 7 | 25 | 95 | 3 | Olcay PLEVNE | OP |
| Drawing | 29 | 07:00 | 5 | 53 | 103 | 3 | Burçin TANIK | SF |
| Monthly Mean of Relative Number: 79.35 [23 observations; 74%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Süleyman Fişek SF | 8 | 09:32 | 09:00 [4] |
| Ergün Ege EE | 6 | 08:43 | 08:49 [5] |
| Burçin Tanık BT | 4 | 09:13 | 09:57 [3] |
| Korhan Yelkenci KY | 3 | 06:18 | 05:53 [2] |
| Olcay Plevne OP | 2 | 10:45 | 10:45 [2] |
| Month total | 23 – 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 (2025): 93 / 151 (62%)
Days without observation: 58
Consecutive days: 0 (longest 8)