Monthly Sunspot Observation Report
September 2020 Sunspot classification and coordinates →
1.97
Monthly mean R
29 / 30
Observation days (97%)
22
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 | 10:20 | 0 | 0 | 0 | 4 | Ergün EGE | EE |
| Drawing | 02 | 08:50 | 0 | 0 | 0 | 3 | Oğuzhan ÇAKIR | OÇ |
| Drawing | 03 | 08:45 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 04 | 09:15 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 05 | 10:00 | 0 | 0 | 0 | 3 | Ergün EGE | EE |
| Drawing | 06 | 09:10 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 07 | 11:05 | 0 | 0 | 0 | 3 | Ergün EGE | EE |
| Drawing | 08 | 08:55 | 0 | 0 | 0 | 3 | Burçin TANIK | BT |
| Drawing | 09 | 06:45 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | OÇ |
| – | 10 | 08:50 | 0 | 0 | 0 | 3 | Oğuzhan ÇAKIR | SF |
| Drawing | 11 | 09:50 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 12 | 10:40 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 13 | 07:30 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 14 | 08:40 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 15 | 07:10 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 16 | 08:55 | 0 | 0 | 0 | 3 | Oğuzhan ÇAKIR | KY |
| Drawing | 17 | 10:40 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 18 | 08:15 | 0 | 0 | 0 | 3 | Burçin TANIK | BT |
| Drawing | 19 | 11:00 | 0 | 0 | 0 | 3 | Oğuzhan ÇAKIR | OÇ |
| Drawing | 21 | 10:45 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | EE |
| Drawing | 22 | 07:10 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 23 | 08:20 | 1 | 1 | 11 | 3 | Oğuzhan ÇAKIR | OÇ |
| Drawing | 24 | 10:00 | 2 | 2 | 22 | 3 | Talar YONTAN | TY0 |
| Drawing | 25 | 09:20 | 1 | 1 | 11 | 3 | O.PLEVNE=B.C. | BC |
| Drawing | 26 | 08:05 | 0 | 0 | 0 | 3 | Burçin TANIK | BT |
| Drawing | 27 | 08:35 | 0 | 0 | 0 | 2 | Hikmet ÇAKMAK | HÇ |
| Drawing | 28 | 08:05 | 1 | 3 | 13 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 29 | 08:04 | 0 | 0 | 0 | 3 | Burçin TANIK | BT |
| Drawing | 30 | 08:40 | 0 | 0 | 0 | 3 | Oğuzhan ÇAKIR | KY |
| Monthly Mean of Relative Number: 1.97 [29 observations; 97%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Oğuzhan Çakır OÇ | 6 | 09:06 | 09:23 [3] |
| Süleyman Fişek SF | 5 | 07:52 | 07:17 [3] |
| Talar Yontan TY0 | 4 | 10:01 | 10:01 [4] |
| Burçin Tanık BT | 4 | 08:20 | 08:20 [4] |
| Ergün Ege EE | 3 | 10:28 | 10:28 [3] |
| Hikmet Çakmak HÇ | 3 | 08:27 | 08:27 [3] |
| Başar Coşkunoğlu BC | 2 | 09:33 | 09:33 [2] |
| Korhan Yelkenci KY | 1 | 09:10 | 09:10 [1] |
| Olcay Plevne OP | 1 | 09:20 | --:-- |
| Month total | 29 – 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 (2020): 185 / 274 (68%)
Days without observation: 89
Consecutive days: 10 (longest 83)