Monthly Sunspot Observation Report
September 2017 Sunspot classification and coordinates →
57.21
Monthly mean R
28 / 30
Observation days (93%)
177
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 | 09:10 | 4 | 29 | 69 | 3 | T.YONTAN=K.Y. | KY |
| Drawing | 02 | 10:05 | 3 | 42 | 72 | 3 | Talar YONTAN | TY0 |
| Drawing | 03 | 08:50 | 5 | 108 | 158 | 3 | T.YONTAN=Ö.Ö. | ÖÖ |
| Drawing | 04 | 09:50 | 5 | 65 | 115 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 05 | 09:00 | 4 | 95 | 135 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 06 | 10:00 | 4 | 137 | 177 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 07 | 07:25 | 5 | 81 | 131 | 3 | K.YELKENCİ+S.F. | KY |
| Drawing | 08 | 06:55 | 5 | 69 | 119 | 3 | Süleyman FİŞEK | SF |
| Drawing | 09 | 09:20 | 5 | 33 | 83 | 3 | H.ÇAKMAK=K.Y. | KY |
| Drawing | 10 | 08:10 | 5 | 20 | 70 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 11 | 06:45 | 3 | 5 | 35 | 3 | Süleyman FİŞEK | SF |
| Drawing | 12 | 08:45 | 1 | 3 | 13 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 13 | 07:25 | 2 | 4 | 24 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 14 | 06:55 | 1 | 2 | 12 | 3 | K.YELKENCİ=S.F. | KY |
| Drawing | 15 | 08:45 | 1 | 2 | 12 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 16 | 11:30 | 1 | 3 | 13 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 17 | 10:00 | 1 | 5 | 15 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 18 | 08:15 | 1 | 3 | 13 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 19 | 06:10 | 1 | 2 | 12 | 3 | Süleyman FİŞEK | SF |
| Drawing | 20 | 09:00 | 2 | 2 | 22 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 21 | 08:55 | 2 | 2 | 22 | 3 | S.FİŞEK=K.Y. | KY |
| Drawing | 22 | 07:20 | 2 | 2 | 22 | 3 | Talar YONTAN | TY0 |
| Drawing | 23 | 09:55 | 1 | 2 | 12 | 3 | Ö.ÖNALTAŞ=T.Y. | TY0 |
| Drawing | 24 | 07:45 | 2 | 3 | 23 | 3 | Korhan YELKENCİ | KY |
| Drawing | 25 | 06:55 | 3 | 7 | 37 | 3 | Süleyman FİŞEK | SF |
| Drawing | 26 | 08:30 | 3 | 15 | 45 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 27 | 07:10 | 6 | 12 | 72 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 28 | 07:10 | 5 | 19 | 69 | 3 | T.YONTAN=K.Y. | KY |
| Monthly Mean of Relative Number: 57.21 [28 observations; 93%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Talar Yontan TY0 | 5 | 08:31 | 08:43 [2] |
| Hikmet Çakmak HÇ | 5 | 08:33 | 08:21 [4] |
| Başar Coşkunoğlu BC | 5 | 09:00 | 09:00 [5] |
| Ozgecan Önal Taş ÖÖ | 5 | 09:34 | 09:29 [4] |
| Süleyman Fişek SF | 5 | 07:08 | 06:41 [4] |
| Korhan Yelkenci KY | 3 | 07:22 | 07:22 [3] |
| Month total | 28 – 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 (2017): 226 / 273 (83%)
Days without observation: 47
Consecutive days: 0 (longest 58)