Monthly Sunspot Observation Report
October 2021 Sunspot classification and coordinates →
49.43
Monthly mean R
23 / 31
Observation days (74%)
121
Maximum R
8
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 | 09:45 | 2 | 8 | 28 | 3 | Ergün EGE | EE |
| Drawing | 03 | 08:25 | 1 | 8 | 18 | 3 | Olcay PLEVNE | OP |
| Drawing | 04 | 07:49 | 2 | 6 | 26 | 3 | Ergün EGE | EE |
| Drawing | 05 | 06:55 | 3 | 15 | 45 | 3 | Süleyman FİŞEK | KY |
| Drawing | 07 | 09:45 | 1 | 3 | 13 | 3 | Burçin TANIK | BT |
| Drawing | 08 | 09:57 | 1 | 11 | 21 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 09 | 11:15 | 2 | 12 | 32 | 3 | Talar YONTAN | TY0 |
| Drawing | 11 | 09:45 | 2 | 3 | 23 | 3 | Ergün EGE | EE |
| Drawing | 12 | 09:15 | 2 | 4 | 24 | 3 | Başar COŞKUNOĞLU | OÇ |
| Drawing | 14 | 07:40 | 2 | 8 | 28 | 3 | Talar YONTAN | TY0 |
| Drawing | 15 | 05:50 | 2 | 3 | 23 | 3 | Süleyman FİŞEK | SF |
| Drawing | 16 | 09:35 | 1 | 1 | 11 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 20 | 08:15 | 1 | 1 | 11 | 3 | Olcay PLEVNE | OP |
| Drawing | 21 | 07:10 | 2 | 4 | 24 | 3 | Burçin TANIK | BT |
| Drawing | 22 | 07:25 | 4 | 10 | 50 | 3 | Süleyman FİŞEK | BC |
| Drawing | 23 | 11:58 | 5 | 23 | 73 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 25 | 07:45 | 5 | 24 | 74 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 26 | 09:10 | 6 | 46 | 106 | 3 | Korhan YELKENCİ | KY |
| Drawing | 27 | 08:00 | 6 | 53 | 113 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 28 | 08:15 | 7 | 51 | 121 | 3 | Talar YONTAN | TY0 |
| Drawing | 29 | 10:35 | 5 | 44 | 94 | 3 | Süleyman FİŞEK | SF |
| Drawing | 30 | 09:00 | 5 | 38 | 88 | 3 | Burçin TANIK | BT |
| Drawing | 31 | 09:40 | 5 | 41 | 91 | 3 | Oğuzhan ÇAKIR | OÇ |
| Monthly Mean of Relative Number: 49.43 [23 observations; 74%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Süleyman Fişek SF | 4 | 07:41 | 08:13 [2] |
| Ergün Ege EE | 3 | 09:06 | 09:06 [3] |
| Burçin Tanık BT | 3 | 08:38 | 08:38 [3] |
| Başar Coşkunoğlu BC | 3 | 09:36 | 09:46 [2] |
| Talar Yontan TY0 | 3 | 09:03 | 09:03 [3] |
| Olcay Plevne OP | 2 | 08:20 | 08:20 [2] |
| Ozgecan Önal Taş ÖÖ | 2 | 09:59 | 09:59 [2] |
| Hikmet Çakmak HÇ | 1 | 07:45 | 07:45 [1] |
| Korhan Yelkenci KY | 1 | 09:10 | 09:10 [1] |
| Oğuzhan Çakır OÇ | 1 | 09:40 | 09:40 [1] |
| Month total | 23 – 8 | 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 (2021): 207 / 304 (68%)
Days without observation: 97
Consecutive days: 7 (longest 64)