Monthly Sunspot Observation Report
April 2012 Sunspot classification and coordinates →
120.32
Monthly mean R
28 / 30
Observation days (93%)
248
Maximum R
2
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 | 12:00 | 7 | 29 | 99 | 4 | H.ÇAKMAK-S.A. | SA |
| Drawing | 02 | 07:20 | 5 | 31 | 81 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 03 | 08:00 | 4 | 37 | 77 | 4 | Özgecan ÖNAL | ÖÖ |
| Drawing | 04 | 06:35 | 4 | 37 | 77 | 4 | B.COŞKUNOĞLU+H.Ç. | BC |
| Drawing | 05 | 08:05 | 4 | 38 | 78 | 3 | H.ÇAKMAK=A.G. | AG0 |
| Drawing | 06 | 08:17 | 3 | 36 | 66 | 2 | Sinan ALİŞ | SA |
| Drawing | 07 | 09:40 | 3 | 17 | 47 | 3 | Hikmet ÇAKMAK | AG0 |
| Drawing | 08 | 08:00 | 2 | 11 | 31 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 11 | 12:40 | 5 | 17 | 67 | 3 | H.ÇAKMAK+B.C. | BC |
| Drawing | 12 | 06:25 | 4 | 20 | 60 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 13 | 08:50 | 3 | 37 | 67 | 3 | Sinan ALİŞ | SA |
| Drawing | 14 | 09:20 | 4 | 33 | 73 | 3 | Hikmet ÇAKMAK | BC |
| Drawing | 15 | 12:00 | 7 | 47 | 117 | 4 | Hikmet ÇAKMAK | SA |
| Drawing | 16 | 07:15 | 5 | 51 | 101 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 17 | 08:35 | 4 | 65 | 105 | 3 | Özgecan ÖNAL | ÖÖ |
| Drawing | 18 | 11:20 | 6 | 71 | 131 | 2 | Hikmet ÇAKMAK | BC |
| Drawing | 19 | 11:35 | 9 | 158 | 248 | 5 | A.GÜLTEKİN+H.Ç. | AG0 |
| Drawing | 20 | 08:05 | 7 | 167 | 237 | 5 | Hikmet ÇAKMAK | SA |
| Drawing | 21 | 11:15 | 8 | 126 | 206 | 4 | Hikmet ÇAKMAK | AG0 |
| Drawing | 22 | 08:00 | 6 | 137 | 197 | 4 | Ö.ÖNAL+H.Ç. | ÖÖ |
| Drawing | 23 | 08:50 | 10 | 145 | 245 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 24 | 07:35 | 10 | 98 | 198 | 3 | Asuman GÜLTEKİN | ÖÖ |
| Drawing | 25 | 06:45 | 7 | 125 | 195 | 5 | Başar COŞKUNOĞLU | BC |
| Drawing | 26 | 08:30 | 7 | 60 | 130 | 3 | Özgecan ÖNAL | AG0 |
| Drawing | 27 | 07:05 | 7 | 42 | 112 | 3 | Sinan ALİŞ | SA |
| Drawing | 28 | 06:50 | 7 | 44 | 114 | 3 | Asuman GÜLTEKİN | HÇ |
| Drawing | 29 | 08:20 | 5 | 32 | 82 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 30 | 07:00 | 7 | 58 | 128 | 3 | Hikmet ÇAKMAK | HÇ |
| Monthly Mean of Relative Number: 120.32 [28 observations; 93%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 14 | 09:29 | 07:41 [5] |
| Ozgecan Önal Taş ÖÖ | 4 | 08:16 | 08:12 [3] |
| Asuman Gültekin Annak AG0 | 4 | 08:06 | 09:00 [2] |
| Başar Coşkunoğlu BC | 3 | 07:13 | 07:13 [3] |
| Sinan Aliş SA | 3 | 08:04 | 08:04 [3] |
| Month total | 28 – 2 | Observing window: 06:00 – 08:00 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): 89 / 121 (74%)
Days without observation: 32
Consecutive days: 20 (longest 20)