Monthly Sunspot Observation Report
December 2016 Sunspot classification and coordinates →
25.91
Monthly mean R
22 / 31
Observation days (71%)
71
Maximum R
9
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 | 07:05 | 3 | 12 | 42 | 3 | B.COŞKUNOĞLU+S.K. | BC |
| Drawing | 02 | 08:45 | 4 | 31 | 71 | 3 | Korhan YELKENCİ | KY |
| Drawing | 03 | 09:00 | 2 | 20 | 40 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 04 | 08:40 | 2 | 49 | 69 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 05 | 07:20 | 1 | 25 | 35 | 3 | Ö.ÖNALTAŞ=T.Y. | TY0 |
| Drawing | 06 | 07:45 | 2 | 20 | 40 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 07 | 06:40 | 2 | 20 | 40 | 3 | T.YONTAN=Ö.Ö. | ÖÖ |
| Drawing | 08 | 08:00 | 1 | 3 | 13 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 09 | 06:20 | 2 | 2 | 22 | 3 | Korhan YELKENCİ | KY |
| Drawing | 10 | 08:50 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 11 | 07:30 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 14 | 06:35 | 3 | 6 | 36 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 16 | 08:50 | 0 | 0 | 0 | 3 | K.YELKENCİ+S.F. | KY |
| Drawing | 17 | 06:35 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 18 | 09:30 | 2 | 10 | 30 | 3 | Ö.ÖNALTAŞ=B.C. | BC |
| Drawing | 19 | 06:40 | 2 | 8 | 28 | 3 | Talar YONTAN | TY0 |
| Drawing | 20 | 07:35 | 2 | 4 | 24 | 3 | H.ÇAKMAK+S.F. | HÇ |
| Drawing | 21 | 10:00 | 2 | 10 | 30 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 25 | 08:15 | 0 | 0 | 0 | 2 | Korhan YELKENCİ | KY |
| Drawing | 26 | 06:45 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 27 | 07:30 | 3 | 8 | 38 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 28 | 11:10 | 1 | 2 | 12 | 2 | Ö.ÖNALTAŞ+H.Ç. | ÖÖ |
| Monthly Mean of Relative Number: 25.91 [22 observations; 71%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Ozgecan Önal Taş ÖÖ | 6 | 08:52 | 09:06 [4] |
| Korhan Yelkenci KY | 5 | 07:56 | 07:56 [5] |
| Hikmet Çakmak HÇ | 4 | 07:55 | 07:55 [4] |
| Talar Yontan TY0 | 4 | 06:40 | 06:40 [3] |
| Başar Coşkunoğlu BC | 3 | 08:02 | 08:02 [3] |
| Month total | 22 – 9 | 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 (2016): 316 / 366 (86%)
Days without observation: 50
Consecutive days: 0 (longest 54)