Monthly Sunspot Observation Report
December 2015 Sunspot classification and coordinates →
56.68
Monthly mean R
25 / 31
Observation days (81%)
106
Maximum R
6
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 | 09:28 | 2 | 12 | 32 | 2 | Sinan ALİŞ | SA |
| Drawing | 02 | 08:45 | 5 | 9 | 59 | 3 | Korhan YELKENCİ | KY |
| Drawing | 03 | 07:40 | 3 | 6 | 36 | 3 | Talar YONTAN | TY0 |
| Drawing | 04 | 11:45 | 3 | 5 | 35 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 05 | 08:05 | 4 | 12 | 52 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 06 | 08:35 | 4 | 14 | 54 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 07 | 08:55 | 4 | 20 | 60 | 3 | Sinan ALİŞ | BC |
| Drawing | 13 | 09:40 | 7 | 32 | 102 | 3 | Korhan YELKENCİ | KY |
| Drawing | 14 | 07:40 | 6 | 19 | 79 | 3 | K.YELKENCİ+B.C. | BC |
| Drawing | 15 | 07:10 | 3 | 12 | 42 | 3 | Başar COŞKUNOĞLU | SA |
| Drawing | 16 | 12:10 | 2 | 21 | 41 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 17 | 10:37 | 2 | 9 | 29 | 2 | Talar YONTAN | TY0 |
| Drawing | 18 | 12:05 | 3 | 18 | 48 | 3 | Korhan YELKENCİ | KY |
| Drawing | 19 | 07:25 | 3 | 30 | 60 | 3 | Talar YONTAN | TY0 |
| Drawing | 20 | 11:35 | 2 | 9 | 29 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 21 | 08:15 | 2 | 3 | 23 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 22 | 08:00 | 6 | 27 | 87 | 3 | K.YELKENCİ=S.A. | SA |
| Drawing | 23 | 06:45 | 5 | 34 | 84 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 24 | 07:30 | 3 | 42 | 72 | 3 | Talar YONTAN | TY0 |
| Drawing | 26 | 12:40 | 2 | 45 | 65 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 27 | 08:55 | 3 | 70 | 100 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 28 | 08:15 | 3 | 76 | 106 | 3 | Korhan YELKENCİ | KY |
| Drawing | 29 | 08:55 | 3 | 51 | 81 | 4 | H.ÇAKMAK=B.C. | BC |
| Drawing | 30 | 11:20 | 2 | 7 | 27 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 31 | 08:00 | 1 | 4 | 14 | 3 | Talar YONTAN | TY0 |
| Monthly Mean of Relative Number: 56.68 [25 observations; 81%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Korhan Yelkenci KY | 6 | 09:04 | 09:41 [4] |
| Talar Yontan TY0 | 5 | 08:14 | 08:14 [5] |
| Ozgecan Önal Taş ÖÖ | 5 | 10:18 | 10:18 [5] |
| Hikmet Çakmak HÇ | 4 | 09:25 | 09:35 [3] |
| Başar Coşkunoğlu BC | 3 | 09:00 | 09:55 [2] |
| Sinan Aliş SA | 2 | 09:12 | 09:28 [1] |
| Month total | 25 – 6 | 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 (2015): 297 / 365 (81%)
Days without observation: 68
Consecutive days: 6 (longest 75)