Monthly Sunspot Observation Report
January 2012 Sunspot classification and coordinates →
137.22
Monthly mean R
18 / 31
Observation days (58%)
241
Maximum R
13
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 | 08:00 | 10 | 66 | 166 | 3 | Sinan ALİŞ | SA |
| Drawing | 03 | 09:40 | 8 | 90 | 170 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 04 | 09:45 | 9 | 122 | 212 | 4 | H.ÇAKMAK-B.C. | BC |
| Drawing | 05 | 07:20 | 9 | 54 | 144 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 10 | 10:40 | 4 | 48 | 88 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 12 | 11:30 | 5 | 20 | 70 | 4 | Ö.ÖNAL+A.G. | AG0 |
| Drawing | 13 | 08:10 | 4 | 33 | 73 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 15 | 08:48 | 11 | 59 | 169 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 16 | 08:40 | 9 | 69 | 159 | 3 | Sinan ALİŞ | SA |
| Drawing | 17 | 08:04 | 14 | 101 | 241 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 18 | 10:25 | 10 | 68 | 168 | 3 | Ö.ÖNAL+H.Ç. | ÖÖ |
| Drawing | 19 | 07:45 | 8 | 68 | 148 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 22 | 08:25 | 7 | 100 | 170 | 4 | Hikmet ÇAKMAK | BC |
| Drawing | 23 | 09:28 | 6 | 61 | 121 | 3 | Sinan ALİŞ | SA |
| Drawing | 24 | 07:45 | 7 | 71 | 141 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 26 | 10:35 | 4 | 23 | 63 | 4 | H.ÇAKMAK=A.G. | AG0 |
| Drawing | 29 | 09:00 | 7 | 20 | 90 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 31 | 07:15 | 5 | 27 | 77 | 2 | Hikmet ÇAKMAK | HÇ |
| Monthly Mean of Relative Number: 137.22 [18 observations; 58%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 8 | 09:01 | 08:41 [5] |
| Asuman Gültekin Annak AG0 | 4 | 08:13 | 08:13 [4] |
| Sinan Aliş SA | 3 | 08:43 | 08:43 [3] |
| Ozgecan Önal Taş ÖÖ | 2 | 10:57 | 10:25 [1] |
| Başar Coşkunoğlu BC | 1 | 08:10 | 08:10 [1] |
| Month total | 18 – 13 | 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): 18 / 31 (58%)
Days without observation: 13
Consecutive days: 1 (longest 5)