Monthly Sunspot Observation Report
July 2023 Sunspot classification and coordinates →
154.30
Monthly mean R
30 / 31
Observation days (97%)
232
Maximum R
1
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 | 11:30 | 7 | 68 | 138 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 02 | 09:07 | 7 | 99 | 169 | 3 | Burçin TANIK | BT |
| Drawing | 03 | 07:50 | 8 | 77 | 157 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 04 | 08:10 | 9 | 80 | 170 | 3 | Korhan YELKENCİ | KY |
| Drawing | 05 | 08:00 | 8 | 62 | 142 | 3 | Olcay PLEVNE | OP |
| Drawing | 06 | 07:20 | 9 | 51 | 141 | 3 | Burçin TANIK | BT |
| Drawing | 07 | 10:15 | 10 | 63 | 163 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 08 | 07:20 | 12 | 59 | 179 | 3 | Süleyman FİŞEK | KY |
| Drawing | 10 | 07:30 | 10 | 56 | 156 | 3 | Ergün EGE | EE |
| Drawing | 11 | 08:45 | 13 | 102 | 232 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 12 | 08:10 | 11 | 65 | 175 | 3 | Olcay PLEVNE | OP |
| Drawing | 13 | 06:35 | 7 | 84 | 154 | 3 | Burçin TANIK | BT |
| Drawing | 14 | 08:15 | 11 | 82 | 192 | 3 | Korhan YELKENCİ | BC |
| Drawing | 15 | 08:25 | 7 | 58 | 128 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 16 | 08:00 | 10 | 89 | 189 | 3 | Burçin TANIK | BT |
| Drawing | 17 | 08:29 | 9 | 42 | 132 | 3 | Ergün EGE | EE |
| Drawing | 18 | 06:45 | 10 | 78 | 178 | 3 | Süleyman FİŞEK | KY |
| Drawing | 19 | 07:50 | 8 | 61 | 141 | 3 | Olcay PLEVNE | OP |
| Drawing | 20 | 07:30 | 7 | 106 | 176 | 3 | Burçin TANIK | BT |
| Drawing | 21 | 07:15 | 8 | 62 | 142 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 22 | 10:05 | 7 | 51 | 121 | 3 | Ergün EGE | EE |
| Drawing | 23 | 11:15 | 11 | 42 | 152 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 24 | 10:50 | 9 | 31 | 121 | 3 | Ergün EGE | EE |
| Drawing | 25 | 09:15 | 9 | 37 | 127 | 3 | H.ÇAKMAK-K.Y. | KY |
| Drawing | 26 | 08:35 | 9 | 41 | 131 | 3 | H.ÇAKMAK=B.C. | OP |
| Drawing | 27 | 06:50 | 6 | 11 | 71 | 2 | Burçin TANIK | BT |
| Drawing | 28 | 10:36 | 8 | 47 | 127 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 29 | 05:25 | 11 | 64 | 174 | 3 | Korhan YELKENCİ | KY |
| Drawing | 30 | 08:52 | 12 | 73 | 193 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 31 | 10:34 | 11 | 48 | 158 | 3 | Ergün EGE | EE |
| Monthly Mean of Relative Number: 154.30 [30 observations; 97%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 7 | 08:25 | 08:13 [5] |
| Burçin Tanık BT | 6 | 07:34 | 07:34 [6] |
| Ergün Ege EE | 5 | 09:30 | 09:30 [5] |
| Başar Coşkunoğlu BC | 4 | 10:54 | 10:54 [4] |
| Korhan Yelkenci KY | 3 | 07:17 | 06:48 [2] |
| Olcay Plevne OP | 3 | 08:00 | 08:00 [3] |
| Süleyman Fişek SF | 2 | 07:02 | --:-- |
| Month total | 30 – 1 | 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 (2023): 150 / 212 (71%)
Days without observation: 62
Consecutive days: 22 (longest 22)