Monthly Sunspot Observation Report
December 2012 Sunspot classification and coordinates →
78.00
Monthly mean R
20 / 31
Observation days (65%)
132
Maximum R
11
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 | 02 | 08:54 | 3 | 21 | 51 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 03 | 07:30 | 4 | 21 | 61 | 3 | Korhan YELKENCİ | KY |
| Drawing | 05 | 09:05 | 5 | 23 | 73 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 06 | 09:15 | 4 | 16 | 56 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 08 | 07:15 | 8 | 24 | 104 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 09 | 09:45 | 4 | 30 | 70 | 3 | Hikmet ÇAKMAK | AG0 |
| Drawing | 11 | 08:20 | 2 | 49 | 69 | 3 | Özgecan ÖNAL | ÖÖ |
| Drawing | 12 | 07:20 | 5 | 49 | 99 | 3 | Korhan YELKENCİ | KY |
| Drawing | 13 | 07:40 | 5 | 37 | 87 | 3 | Orhan GÜNEŞ | OG0 |
| Drawing | 14 | 08:00 | 4 | 44 | 84 | 3 | Sinan ALİŞ | SA |
| Drawing | 15 | 07:25 | 4 | 36 | 76 | 3 | Özgecan ÖNAL | KY |
| Drawing | 18 | 08:10 | 5 | 22 | 72 | 3 | Hikmet ÇAKMAK | ÖÖ |
| Drawing | 19 | 10:10 | 6 | 25 | 85 | 3 | Hikmet ÇAKMAK | BC |
| Drawing | 24 | 07:30 | 5 | 47 | 97 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 25 | 10:25 | 6 | 72 | 132 | 3 | H.ÇAKMAK-Ö.Ö. | ÖÖ |
| Drawing | 26 | 08:10 | 4 | 29 | 69 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 27 | 08:30 | 6 | 33 | 93 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 28 | 08:45 | 4 | 15 | 55 | 2 | Sinan ALİŞ | SA |
| Drawing | 30 | 13:00 | 3 | 12 | 42 | 2 | Hikmet ÇAKMAK | ÖÖ |
| Drawing | 31 | 07:25 | 6 | 25 | 85 | 3 | Asuman GÜLTEKİN | OG0 |
| Monthly Mean of Relative Number: 78.00 [20 observations; 65%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 8 | 09:34 | 08:20 [3] |
| Başar Coşkunoğlu BC | 3 | 08:43 | 08:43 [3] |
| Korhan Yelkenci KY | 2 | 07:25 | 07:25 [2] |
| Ozgecan Önal Taş ÖÖ | 2 | 07:53 | 08:20 [1] |
| Sinan Aliş SA | 2 | 08:23 | 08:23 [2] |
| Asuman Gültekin Annak AG0 | 2 | 07:28 | 07:30 [1] |
| Orhan Güneş OG0 | 1 | 07:40 | 07:40 [1] |
| Month total | 20 – 11 | 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 (2012): 315 / 366 (86%)
Days without observation: 51
Consecutive days: 2 (longest 154)