Monthly Sunspot Observation Report
October 2017 Sunspot classification and coordinates →
13.63
Monthly mean R
27 / 31
Observation days (87%)
59
Maximum R
4
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 | 08:10 | 3 | 13 | 43 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 03 | 08:30 | 2 | 6 | 26 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 04 | 06:35 | 2 | 7 | 27 | 3 | Süleyman FİŞEK | SF |
| Drawing | 05 | 06:15 | 2 | 9 | 29 | 3 | S.FİŞEK=K.Y. | KY |
| Drawing | 06 | 07:50 | 2 | 4 | 24 | 3 | Talar YONTAN | TY0 |
| Drawing | 07 | 11:00 | 1 | 1 | 11 | 2 | Başar COŞKUNOĞLU | BC |
| Drawing | 08 | 11:15 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 09 | 10:15 | 0 | 0 | 0 | 3 | Seda KAPTAN | SK0 |
| Drawing | 10 | 08:30 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 11 | 08:00 | 0 | 0 | 0 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 12 | 06:50 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 13 | 07:10 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 14 | 05:40 | 2 | 2 | 22 | 3 | Korhan YELKENCİ | KY |
| Drawing | 15 | 08:05 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 16 | 08:15 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 17 | 05:30 | 0 | 0 | 0 | 3 | Seda KAPTAN | SK0 |
| Drawing | 18 | 09:00 | 0 | 0 | 0 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 19 | 10:20 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 20 | 06:30 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 21 | 09:50 | 1 | 2 | 12 | 3 | H.ÇAKMAK-Ö.Ö. | ÖÖ |
| Drawing | 22 | 08:15 | 1 | 2 | 12 | 3 | Korhan YELKENCİ | KY |
| Drawing | 23 | 10:30 | 2 | 3 | 23 | 3 | Seda KAPTAN | SK0 |
| Drawing | 27 | 07:15 | 2 | 3 | 23 | 3 | Talar YONTAN | TY0 |
| Drawing | 28 | 06:20 | 5 | 9 | 59 | 3 | Talar YONTAN | TY0 |
| – | 29 | 10:50 | 2 | 4 | 24 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 30 | 09:35 | 2 | 2 | 22 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 31 | 06:35 | 1 | 1 | 11 | 3 | Süleyman FİŞEK | SF |
| Monthly Mean of Relative Number: 13.63 [27 observations; 87%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 5 | 08:47 | 08:31 [4] |
| Süleyman Fişek SF | 5 | 06:33 | 06:37 [4] |
| Başar Coşkunoğlu BC | 4 | 09:43 | 09:43 [4] |
| Talar Yontan TY0 | 4 | 07:09 | 07:09 [4] |
| Ozgecan Önal Taş ÖÖ | 3 | 09:25 | 09:25 [3] |
| Seda Kaptan SK0 | 3 | 08:45 | 08:45 [3] |
| Korhan Yelkenci KY | 3 | 08:05 | 08:05 [3] |
| Month total | 27 – 4 | 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 (2017): 253 / 304 (83%)
Days without observation: 51
Consecutive days: 5 (longest 58)