Monthly Sunspot Observation Report
December 2013 Sunspot classification and coordinates →
145.39
Monthly mean R
23 / 31
Observation days (74%)
208
Maximum R
8
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 | 11:35 | 6 | 43 | 103 | 2 | Başar COŞKUNOĞLU | BC |
| Drawing | 03 | 08:00 | 8 | 47 | 127 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 05 | 08:05 | 11 | 62 | 172 | 4 | H.ÇAKMAK=B.C. | BC |
| Drawing | 06 | 07:25 | 5 | 50 | 100 | 3 | Korhan YELKENCİ | HÇ |
| Drawing | 08 | 07:55 | 6 | 42 | 102 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 09 | 07:35 | 14 | 57 | 197 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 11 | 07:50 | 12 | 57 | 177 | 3 | Hikmet ÇAKMAK | ÖÖ |
| Drawing | 12 | 11:15 | 13 | 78 | 208 | 3 | Korhan YELKENCİ | BC |
| Drawing | 14 | 11:00 | 8 | 68 | 148 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 15 | 07:50 | 9 | 78 | 168 | 3 | Asuman GÜLTEKİN | HÇ |
| Drawing | 17 | 09:10 | 9 | 68 | 158 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 18 | 08:50 | 11 | 72 | 182 | 3 | Korhan YELKENCİ | KY |
| Drawing | 19 | 08:20 | 8 | 40 | 120 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 20 | 08:15 | 10 | 88 | 188 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 21 | 09:35 | 9 | 84 | 174 | 3 | H.ÇAKMAK=K.Y. | KY |
| Drawing | 22 | 11:05 | 8 | 60 | 140 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 23 | 08:00 | 9 | 58 | 148 | 4 | Asuman GÜLTEKİN | AG0 |
| Drawing | 24 | 07:30 | 9 | 35 | 125 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 25 | 11:10 | 7 | 20 | 90 | 3 | Korhan YELKENCİ | KY |
| Drawing | 26 | 09:00 | 8 | 37 | 117 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 27 | 07:30 | 8 | 46 | 126 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 28 | 07:35 | 6 | 48 | 108 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 29 | 11:20 | 10 | 66 | 166 | 3 | B.COŞKUNOĞLU+H.Ç. | BC |
| Monthly Mean of Relative Number: 145.39 [23 observations; 74%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 9 | 08:33 | 08:35 [6] |
| Başar Coşkunoğlu BC | 5 | 10:15 | 10:15 [5] |
| Asuman Gültekin Annak AG0 | 5 | 07:47 | 07:46 [4] |
| Korhan Yelkenci KY | 4 | 09:40 | 10:00 [2] |
| Month total | 23 – 8 | 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 (2013): 312 / 365 (85%)
Days without observation: 53
Consecutive days: 0 (longest 128)