Monthly Sunspot Observation Report
January 2017 Sunspot classification and coordinates →
25.79
Monthly mean R
14 / 31
Observation days (45%)
72
Maximum R
17
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 | 10:30 | 1 | 1 | 11 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 02 | 07:40 | 1 | 2 | 12 | 3 | Talar YONTAN | TY0 |
| Drawing | 03 | 08:25 | 1 | 1 | 11 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 04 | 07:45 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 05 | 12:45 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 06 | 06:40 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 12 | 08:30 | 1 | 1 | 11 | 3 | B.COŞKUNOĞLU+S.F. | BC |
| Drawing | 13 | 07:25 | 3 | 7 | 37 | 3 | Korhan YELKENCİ | KY |
| Drawing | 14 | 09:00 | 3 | 6 | 36 | 3 | Korhan YELKENCİ | KY |
| Drawing | 21 | 08:25 | 4 | 32 | 72 | 3 | Talar YONTAN | TY0 |
| Drawing | 23 | 07:00 | 4 | 26 | 66 | 3 | Talar YONTAN | TY0 |
| Drawing | 24 | 11:30 | 2 | 7 | 27 | 2 | H.ÇAKMAK+S.F. | HÇ |
| Drawing | 27 | 08:00 | 2 | 8 | 28 | 3 | K.YELKENCİ+S.F. | KY |
| Drawing | 31 | 07:30 | 4 | 10 | 50 | 3 | H.ÇAKMAK+S.F. | HÇ |
| Monthly Mean of Relative Number: 25.79 [14 observations; 45%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 4 | 09:29 | 09:29 [4] |
| Korhan Yelkenci KY | 4 | 07:46 | 07:46 [4] |
| Talar Yontan TY0 | 3 | 07:42 | 07:42 [3] |
| Başar Coşkunoğlu BC | 2 | 10:38 | 10:38 [2] |
| Ozgecan Önal Taş ÖÖ | 1 | 07:45 | 07:45 [1] |
| Month total | 14 – 17 | Observing window: 07:00 – 09:00 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): 14 / 31 (45%)
Days without observation: 17
Consecutive days: 1 (longest 6)