Monthly Sunspot Observation Report
June 2023 Sunspot classification and coordinates →
153.96
Monthly mean R
27 / 30
Observation days (90%)
238
Maximum R
3
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 | 08:55 | 11 | 50 | 160 | 3 | Burçin TANIK | BT |
| Drawing | 02 | 07:45 | 8 | 57 | 137 | 3 | O.PLEVNE=B.C. | BC |
| Drawing | 03 | 11:15 | 8 | 56 | 136 | 3 | Burçin TANIK | BT |
| Drawing | 05 | 10:20 | 8 | 40 | 120 | 3 | Ergün EGE | EE |
| Drawing | 06 | 08:15 | 11 | 91 | 201 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 07 | 09:15 | 12 | 92 | 212 | 3 | Başar COŞKUNOĞLU | OP |
| Drawing | 08 | 07:45 | 12 | 80 | 200 | 3 | Burçin TANIK | BT |
| Drawing | 10 | 10:30 | 9 | 53 | 143 | 3 | Olcay PLEVNE | OP |
| Drawing | 11 | 10:40 | 7 | 65 | 135 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 12 | 09:05 | 6 | 37 | 97 | 3 | Ergün EGE | EE |
| Drawing | 13 | 09:30 | 5 | 29 | 79 | 3 | Korhan YELKENCİ | KY |
| Drawing | 14 | 13:05 | 7 | 36 | 106 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 15 | 08:35 | 9 | 42 | 132 | 3 | Burçin TANIK | BT |
| Drawing | 16 | 09:30 | 7 | 66 | 136 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 17 | 07:50 | 6 | 31 | 91 | 3 | Ergün EGE | EE |
| Drawing | 18 | 09:20 | 10 | 63 | 163 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 19 | 08:30 | 11 | 36 | 146 | 3 | Ergün EGE | EE |
| Drawing | 20 | 08:50 | 10 | 78 | 178 | 3 | Korhan YELKENCİ | KY |
| Drawing | 21 | 07:20 | 13 | 71 | 201 | 3 | Olcay PLEVNE | OP |
| Drawing | 22 | 08:30 | 15 | 74 | 224 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 23 | 10:13 | 12 | 101 | 221 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 24 | 10:12 | 14 | 98 | 238 | 4 | Başar COŞKUNOĞLU | KY |
| Drawing | 25 | 10:45 | 11 | 53 | 163 | 3 | Olcay PLEVNE | OP |
| Drawing | 26 | 06:45 | 8 | 33 | 113 | 3 | Ergün EGE | EE |
| Drawing | 27 | 06:30 | 9 | 86 | 176 | 3 | Korhan YELKENCİ | KY |
| Drawing | 28 | 08:00 | 7 | 58 | 128 | 3 | Olcay PLEVNE | OP |
| Drawing | 30 | 08:45 | 6 | 61 | 121 | 3 | Hikmet ÇAKMAK | HÇ |
| Monthly Mean of Relative Number: 153.96 [27 observations; 90%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Olcay Plevne OP | 5 | 08:52 | 09:09 [4] |
| Ergün Ege EE | 5 | 08:30 | 08:30 [5] |
| Hikmet Çakmak HÇ | 5 | 09:35 | 09:35 [5] |
| Başar Coşkunoğlu BC | 5 | 09:58 | 10:08 [3] |
| Burçin Tanık BT | 4 | 09:08 | 09:08 [4] |
| Korhan Yelkenci KY | 3 | 08:17 | 08:17 [3] |
| Month total | 27 – 3 | 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): 120 / 181 (66%)
Days without observation: 61
Consecutive days: 1 (longest 19)