Monthly Sunspot Observation Report
March 2025 Sunspot classification and coordinates →
118.60
Monthly mean R
20 / 31
Observation days (65%)
174
Maximum R
11
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 | 12:35 | 7 | 37 | 107 | 3 | Olcay PLEVNE | OP |
| Drawing | 02 | 07:15 | 2 | 9 | 29 | 2 | Burçin TANIK | BT |
| Drawing | 05 | 11:30 | 7 | 37 | 107 | 3 | O.PLEVNE=B.T. | BT |
| Drawing | 06 | 07:30 | 9 | 41 | 131 | 3 | Süleyman FİŞEK | SF |
| Drawing | 07 | 09:15 | 5 | 32 | 82 | 3 | Ergün EGE | EE |
| Drawing | 08 | 09:00 | 5 | 27 | 77 | 3 | Ergün EGE | EE |
| Drawing | 09 | 08:30 | 7 | 48 | 118 | 3 | Korhan YELKENCİ | KY |
| Drawing | 10 | 08:30 | 7 | 46 | 116 | 3 | Korhan YELKENCİ | KY |
| Drawing | 11 | 08:45 | 9 | 63 | 153 | 3 | B.TANIK=O.P. | OP |
| Drawing | 12 | 08:20 | 11 | 60 | 170 | 3 | Süleyman FİŞEK | BT |
| Drawing | 14 | 07:20 | 11 | 61 | 171 | 3 | Ergün EGE | EE |
| Drawing | 15 | 09:35 | 9 | 62 | 152 | 3 | Burçin TANIK | SF |
| Drawing | 17 | 08:00 | 11 | 64 | 174 | 3 | Korhan YELKENCİ | KY |
| Drawing | 19 | 12:00 | 9 | 49 | 139 | 3 | Burçin TANIK | BT |
| Drawing | 21 | 09:20 | 11 | 35 | 145 | 3 | Ergün EGE | EE |
| Drawing | 22 | 06:35 | 12 | 50 | 170 | 3 | Süleyman FİŞEK | BT |
| Drawing | 23 | 10:20 | 7 | 29 | 99 | 3 | Ergün EGE | EE |
| Drawing | 26 | 11:20 | 1 | 7 | 17 | 2 | Burçin TANIK | BT |
| Drawing | 29 | 07:35 | 5 | 44 | 94 | 3 | Korhan YELKENCİ | KY |
| Drawing | 30 | 05:45 | 6 | 61 | 121 | 3 | Korhan YELKENCİ | SF |
| Monthly Mean of Relative Number: 118.60 [20 observations; 65%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Burçin Tanık BT | 5 | 09:47 | 10:12 [3] |
| Ergün Ege EE | 5 | 09:03 | 09:03 [5] |
| Korhan Yelkenci KY | 5 | 07:40 | 08:09 [4] |
| Süleyman Fişek SF | 3 | 07:28 | 07:30 [1] |
| Olcay Plevne OP | 2 | 12:03 | 12:35 [1] |
| Month total | 20 – 11 | Observing window: 07:00 – 09:00 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): 52 / 90 (58%)
Days without observation: 38
Consecutive days: 2 (longest 8)