Monthly Sunspot Observation Report
January 2025 Sunspot classification and coordinates →
157.14
Monthly mean R
21 / 31
Observation days (68%)
263
Maximum R
10
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 | 11:20 | 12 | 87 | 207 | 3 | Ergün EGE | EE |
| Drawing | 02 | 11:30 | 10 | 76 | 176 | 3 | Süleyman FİŞEK | SF |
| Drawing | 03 | 08:50 | 12 | 65 | 185 | 3 | Ergün EGE | EE |
| Drawing | 05 | 11:00 | 13 | 81 | 211 | 3 | Süleyman FİŞEK | SF |
| Drawing | 06 | 09:35 | 14 | 123 | 263 | 3 | Korhan YELKENCİ | KY |
| Drawing | 07 | 09:25 | 9 | 65 | 155 | 3 | Olcay PLEVNE | OP |
| Drawing | 08 | 12:20 | 8 | 54 | 134 | 3 | Burçin TANIK | BT |
| Drawing | 09 | 08:20 | 11 | 87 | 197 | 3 | Korhan YELKENCİ | SF |
| Drawing | 10 | 09:50 | 9 | 51 | 141 | 3 | Ergün EGE | EE |
| Drawing | 17 | 08:15 | 8 | 43 | 123 | 3 | Ergün EGE | EE |
| Drawing | 18 | 10:50 | 8 | 72 | 152 | 3 | Süleyman FİŞEK | SF |
| Drawing | 19 | 09:50 | 9 | 91 | 181 | 3 | Süleyman FİŞEK | KY |
| Drawing | 20 | 08:35 | 8 | 124 | 204 | 3 | Süleyman FİŞEK | KY |
| Drawing | 22 | 10:10 | 9 | 105 | 195 | 3 | Burçin TANIK | BT |
| Drawing | 23 | 11:10 | 10 | 129 | 229 | 3 | Süleyman FİŞEK | SF |
| Drawing | 24 | 09:20 | 7 | 92 | 162 | 3 | Korhan YELKENCİ | KY |
| Drawing | 26 | 08:00 | 7 | 32 | 102 | 3 | Ergün EGE | EE |
| Drawing | 27 | 08:40 | 4 | 9 | 49 | 3 | Burçin TANIK | BT |
| Drawing | 28 | 09:40 | 5 | 14 | 64 | 3 | Olcay PLEVNE | OP |
| Drawing | 29 | 09:20 | 5 | 37 | 87 | 3 | Burçin TANIK | BT |
| Drawing | 31 | 12:20 | 5 | 33 | 83 | 3 | Ergün EGE | EE |
| Monthly Mean of Relative Number: 157.14 [21 observations; 68%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Ergün Ege EE | 6 | 09:46 | 09:46 [6] |
| Süleyman Fişek SF | 6 | 10:29 | 11:08 [4] |
| Burçin Tanık BT | 4 | 10:08 | 10:08 [4] |
| Korhan Yelkenci KY | 3 | 09:05 | 09:28 [2] |
| Olcay Plevne OP | 2 | 09:33 | 09:33 [2] |
| Month total | 21 – 10 | 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): 21 / 31 (68%)
Days without observation: 10
Consecutive days: 1 (longest 6)