Monthly Sunspot Observation Report
August 2023 Sunspot classification and coordinates →
105.03
Monthly mean R
29 / 31
Observation days (94%)
185
Maximum R
2
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 | 10:00 | 10 | 61 | 161 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 02 | 10:00 | 8 | 47 | 127 | 3 | Olcay PLEVNE | OP |
| Drawing | 03 | 07:45 | 12 | 65 | 185 | 3 | Burçin TANIK | BT |
| Drawing | 04 | 09:15 | 9 | 31 | 121 | 3 | O.PLEVNE=B.C. | BC |
| Drawing | 05 | 06:00 | 10 | 43 | 143 | 3 | Korhan YELKENCİ | OP |
| Drawing | 06 | 07:20 | 9 | 29 | 119 | 3 | Burçin TANIK | BT |
| Drawing | 07 | 10:05 | 9 | 22 | 112 | 3 | Ergün EGE | EE |
| Drawing | 08 | 07:45 | 10 | 23 | 123 | 3 | H.ÇAKMAK-K.Y. | KY |
| Drawing | 10 | 06:50 | 2 | 15 | 35 | 2 | Burçin TANIK | BT |
| Drawing | 11 | 10:30 | 5 | 42 | 92 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 12 | 08:40 | 4 | 30 | 70 | 3 | O.PLEVNE=K.Y. | KY |
| Drawing | 13 | 09:50 | 8 | 27 | 107 | 3 | Ergün EGE | EE |
| Drawing | 15 | 11:55 | 7 | 26 | 96 | 3 | Korhan YELKENCİ | KY |
| Drawing | 16 | 13:20 | 9 | 48 | 138 | 3 | H.ÇAKMAK-O.P. | OP |
| Drawing | 17 | 08:00 | 8 | 38 | 118 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 18 | 08:55 | 8 | 44 | 124 | 3 | Korhan YELKENCİ | BC |
| Drawing | 19 | 12:12 | 8 | 32 | 112 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 20 | 09:40 | 8 | 23 | 103 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 21 | 08:35 | 7 | 15 | 85 | 3 | Ergün EGE | EE |
| Drawing | 22 | 08:40 | 10 | 32 | 132 | 3 | Korhan YELKENCİ | KY |
| Drawing | 23 | 09:10 | 7 | 25 | 95 | 3 | Olcay PLEVNE | OP |
| Drawing | 24 | 09:05 | 6 | 24 | 84 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 25 | 09:45 | 6 | 24 | 84 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 26 | 10:35 | 6 | 15 | 75 | 3 | Ergün EGE | EE |
| Drawing | 27 | 11:30 | 5 | 24 | 74 | 3 | Olcay PLEVNE | OP |
| Drawing | 28 | 07:30 | 4 | 21 | 61 | 3 | Ergün EGE | EE |
| Drawing | 29 | 08:20 | 5 | 52 | 102 | 3 | Korhan YELKENCİ | KY |
| Drawing | 30 | 09:35 | 6 | 20 | 80 | 3 | Olcay PLEVNE | OP |
| Drawing | 31 | 08:55 | 6 | 28 | 88 | 3 | Hikmet ÇAKMAK | HÇ |
| Monthly Mean of Relative Number: 105.03 [29 observations; 94%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 7 | 09:32 | 09:08 [5] |
| Olcay Plevne OP | 6 | 09:42 | 10:04 [4] |
| Korhan Yelkenci KY | 5 | 08:46 | 09:38 [3] |
| Ergün Ege EE | 5 | 09:19 | 09:19 [5] |
| Burçin Tanık BT | 3 | 07:18 | 07:18 [3] |
| Başar Coşkunoğlu BC | 3 | 10:49 | 10:49 [3] |
| Month total | 29 – 2 | 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): 179 / 243 (74%)
Days without observation: 64
Consecutive days: 17 (longest 30)