Monthly Sunspot Observation Report
December 2011 Sunspot classification and coordinates →
158.45
Monthly mean R
22 / 31
Observation days (71%)
275
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 | 09:30 | 9 | 49 | 139 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 02 | 07:30 | 8 | 70 | 150 | 3 | B.COŞKUNOĞLU+H.Ç. | BC |
| Drawing | 03 | 07:45 | 11 | 135 | 245 | 5 | Hikmet ÇAKMAK | HÇ |
| Drawing | 04 | 07:50 | 16 | 115 | 275 | 4 | Asuman GÜLTEKİN | AG0 |
| Drawing | 05 | 07:35 | 11 | 104 | 214 | 3 | Sinan ALİŞ | SA |
| Drawing | 06 | 08:05 | 14 | 72 | 212 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 08 | 07:35 | 15 | 40 | 190 | 2 | Asuman GÜLTEKİN | AG0 |
| Drawing | 09 | 07:20 | 12 | 35 | 155 | 3 | B.COŞKUNOĞLU+H.Ç. | BC |
| Drawing | 10 | 10:40 | 7 | 46 | 116 | 3 | Sinan ALİŞ | SA |
| Drawing | 12 | 11:50 | 7 | 37 | 107 | 3 | Sinan ALİŞ | SA |
| Drawing | 13 | 07:45 | 9 | 32 | 122 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 14 | 10:25 | 7 | 35 | 105 | 3 | H.ÇAKMAK-S.A. | SA |
| Drawing | 15 | 07:25 | 7 | 35 | 105 | 4 | Asuman GÜLTEKİN | AG0 |
| Drawing | 17 | 09:25 | 10 | 37 | 137 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 19 | 08:40 | 11 | 60 | 170 | 3 | H.ÇAKMAK-S.A. | SA |
| Drawing | 21 | 08:20 | 7 | 97 | 167 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 25 | 10:55 | 6 | 29 | 89 | 2 | Başar COŞKUNOĞLU | BC |
| Drawing | 26 | 08:00 | 8 | 76 | 156 | 3 | S.ALİŞ+H.Ç. | SA |
| Drawing | 27 | 08:20 | 10 | 41 | 141 | 3 | A.GÜLTEKİN=H.Ç. | HÇ |
| Drawing | 28 | 07:20 | 10 | 46 | 146 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 29 | 08:20 | 13 | 81 | 211 | 4 | H.ÇAKMAK=A.G. | AG0 |
| Drawing | 30 | 08:00 | 8 | 54 | 134 | 4 | H.ÇAKMAK-B.C. | BC |
| Monthly Mean of Relative Number: 158.45 [22 observations; 71%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 9 | 08:32 | 08:16 [5] |
| Asuman Gültekin Annak AG0 | 6 | 08:00 | 07:56 [5] |
| Sinan Aliş SA | 4 | 09:31 | 09:31 [4] |
| Başar Coşkunoğlu BC | 3 | 08:35 | 08:35 [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 (2011): 288 / 365 (79%)
Days without observation: 77
Consecutive days: 6 (longest 114)