Monthly Sunspot Observation Report
February 2012 Sunspot classification and coordinates →
75.94
Monthly mean R
18 / 29
Observation days (62%)
113
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 | 01 | 13:10 | 7 | 43 | 113 | 3 | H.ÇAKMAK-Ö.Ö. | ÖÖ |
| Drawing | 04 | 12:05 | 5 | 39 | 89 | 4 | H.ÇAKMAK+S.A. | SA |
| Drawing | 05 | 08:50 | 4 | 20 | 60 | 5 | Hikmet ÇAKMAK | BC |
| Drawing | 06 | 10:05 | 3 | 14 | 44 | 2 | H.ÇAKMAK-S.A. | SA |
| Drawing | 09 | 11:00 | 2 | 17 | 37 | 2 | A.GÜLTEKİN+H.Ç. | AG0 |
| Drawing | 10 | 11:25 | 5 | 44 | 94 | 3 | H.ÇAKMAK+B.C. | BC |
| Drawing | 11 | 09:00 | 3 | 46 | 76 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 12 | 09:40 | 4 | 39 | 79 | 4 | H.ÇAKMAK=A.G. | AG0 |
| Drawing | 13 | 08:40 | 5 | 45 | 95 | 3 | H.ÇAKMAK-S.A. | SA |
| Drawing | 16 | 09:55 | 5 | 20 | 70 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 18 | 09:10 | 6 | 26 | 86 | 4 | Hikmet ÇAKMAK | SA |
| Drawing | 19 | 08:55 | 8 | 22 | 102 | 3 | Hikmet ÇAKMAK | BC |
| Drawing | 20 | 08:05 | 7 | 33 | 103 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 21 | 08:00 | 6 | 38 | 98 | 4 | Özgecan ÖNAL | ÖÖ |
| Drawing | 22 | 07:45 | 2 | 11 | 31 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 23 | 08:35 | 5 | 14 | 64 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 26 | 08:00 | 7 | 11 | 81 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 29 | 07:15 | 4 | 5 | 45 | 4 | Asuman GÜLTEKİN | AG0 |
| Monthly Mean of Relative Number: 75.94 [18 observations; 62%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 12 | 09:45 | 08:22 [3] |
| Asuman Gültekin Annak AG0 | 4 | 09:11 | 09:11 [4] |
| Ozgecan Önal Taş ÖÖ | 1 | 08:00 | 08:00 [1] |
| Başar Coşkunoğlu BC | 1 | 07:45 | 07:45 [1] |
| Month total | 18 – 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): 36 / 60 (60%)
Days without observation: 24
Consecutive days: 1 (longest 6)