Monthly Sunspot Observation Report
October 2023 Sunspot classification and coordinates →
92.56
Monthly mean R
25 / 31
Observation days (81%)
170
Maximum R
6
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 | 02 | 09:30 | 11 | 60 | 170 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 03 | 07:10 | 7 | 60 | 130 | 3 | Korhan YELKENCİ | KY |
| Drawing | 04 | 07:00 | 7 | 72 | 142 | 3 | Olcay PLEVNE | OP |
| Drawing | 05 | 07:50 | 9 | 70 | 160 | 3 | Burçin TANIK | BT |
| Drawing | 06 | 09:50 | 9 | 43 | 133 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 07 | 10:20 | 6 | 33 | 93 | 3 | Ergün EGE | EE |
| Drawing | 08 | 07:35 | 8 | 66 | 146 | 3 | Burçin TANIK | BT |
| Drawing | 10 | 12:45 | 11 | 42 | 152 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 11 | 11:45 | 9 | 48 | 138 | 3 | Olcay PLEVNE | OP |
| Drawing | 12 | 07:20 | 7 | 46 | 116 | 3 | Burçin TANIK | BT |
| Drawing | 13 | 08:49 | 6 | 23 | 83 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 14 | 07:25 | 8 | 50 | 130 | 3 | K.YELKENCİ=O.P. | OP |
| Drawing | 15 | 09:20 | 6 | 38 | 98 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 17 | 06:50 | 4 | 28 | 68 | 3 | Korhan YELKENCİ | KY |
| Drawing | 19 | 08:15 | 4 | 11 | 51 | 3 | Burçin TANIK | BT |
| Drawing | 20 | 09:29 | 5 | 16 | 66 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 21 | 08:30 | 6 | 12 | 72 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 22 | 09:50 | 4 | 5 | 45 | 3 | Başar COŞKUNOĞLU | KY |
| Drawing | 23 | 08:45 | 2 | 3 | 23 | 3 | Ergün EGE | EE |
| Drawing | 24 | 06:40 | 3 | 11 | 41 | 3 | Korhan YELKENCİ | KY |
| Drawing | 27 | 09:40 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 28 | 08:00 | 3 | 6 | 36 | 3 | Ergün EGE | EE |
| Drawing | 29 | 11:30 | 4 | 24 | 64 | 3 | Olcay PLEVNE | OP |
| Drawing | 30 | 07:20 | 3 | 24 | 54 | 3 | Ergün EGE | EE |
| Drawing | 31 | 13:07 | 5 | 53 | 103 | 3 | Burçin TANIK | BT |
| Monthly Mean of Relative Number: 92.56 [25 observations; 81%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Başar Coşkunoğlu BC | 6 | 09:30 | 09:26 [5] |
| Burçin Tanık BT | 5 | 08:49 | 08:49 [5] |
| Korhan Yelkenci KY | 4 | 07:01 | 06:53 [3] |
| Ergün Ege EE | 4 | 08:36 | 08:36 [4] |
| Hikmet Çakmak HÇ | 3 | 10:15 | 10:15 [3] |
| Olcay Plevne OP | 3 | 10:05 | 10:05 [3] |
| Month total | 25 – 6 | 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): 231 / 304 (76%)
Days without observation: 73
Consecutive days: 5 (longest 30)