Monthly Sunspot Observation Report
May 2011 Sunspot classification and coordinates →
74.15
Monthly mean R
27 / 31
Observation days (87%)
144
Maximum R
4
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 | 14:00 | 8 | 26 | 106 | 3 | A.GÜLTEKİN+H.Ç. | AG0 |
| Drawing | 02 | 09:00 | 3 | 23 | 53 | 3 | Korhan YELKENCİ | KY |
| Drawing | 03 | 12:25 | 6 | 31 | 91 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 06 | 12:50 | 4 | 27 | 67 | 3 | B.COŞKUNOĞLU+H.Ç. | BC |
| Drawing | 07 | 06:00 | 2 | 19 | 39 | 3 | Korhan YELKENCİ | KY |
| Drawing | 08 | 08:00 | 3 | 25 | 55 | 4 | Başar COŞKUNOĞLU | BC |
| Drawing | 09 | 11:20 | 6 | 38 | 98 | 3 | K.YELKENCİ+H.Ç. | KY |
| Drawing | 10 | 07:00 | 9 | 35 | 125 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 11 | 06:25 | 7 | 36 | 106 | 4 | Asuman GÜLTEKİN | AG0 |
| Drawing | 12 | 14:15 | 7 | 16 | 86 | 3 | Sinan ALİŞ | SA |
| Drawing | 13 | 13:50 | 4 | 8 | 48 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 14 | 06:15 | 5 | 14 | 64 | 3 | Sinan ALİŞ | SA |
| Drawing | 15 | 07:15 | 4 | 33 | 73 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 16 | 08:20 | 4 | 48 | 88 | 3 | Korhan YELKENCİ | KY |
| Drawing | 17 | 06:25 | 5 | 31 | 81 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 18 | 10:30 | 5 | 17 | 67 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 19 | 13:25 | 3 | 7 | 37 | 3 | Hikmet ÇAKMAK | SA |
| Drawing | 20 | 08:25 | 3 | 3 | 33 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 21 | 06:40 | 4 | 7 | 47 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 22 | 08:00 | 5 | 12 | 62 | 3 | K.YELKENCİ+S.F. | KY |
| Drawing | 23 | 07:15 | 4 | 15 | 55 | 3 | Korhan YELKENCİ | KY |
| Drawing | 24 | 06:25 | 3 | 3 | 33 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 25 | 06:35 | 2 | 2 | 22 | 4 | Asuman GÜLTEKİN | AG0 |
| Drawing | 26 | 09:07 | 3 | 14 | 44 | 3 | Sinan ALİŞ | SA |
| Drawing | 29 | 15:00 | 8 | 58 | 138 | 3 | Hikmet ÇAKMAK | BC |
| Drawing | 30 | 08:40 | 8 | 60 | 140 | 4 | Asuman GÜLTEKİN | AG0 |
| Drawing | 31 | 09:40 | 7 | 74 | 144 | 2 | Hikmet ÇAKMAK | HÇ |
| Monthly Mean of Relative Number: 74.15 [27 observations; 87%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 8 | 09:42 | 08:12 [6] |
| Asuman Gültekin Annak AG0 | 6 | 08:48 | 08:48 [6] |
| Korhan Yelkenci KY | 6 | 08:19 | 08:19 [6] |
| Başar Coşkunoğlu BC | 4 | 10:46 | 10:46 [4] |
| Sinan Aliş SA | 3 | 09:52 | 09:52 [3] |
| Month total | 27 – 4 | 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 (2011): 104 / 151 (69%)
Days without observation: 47
Consecutive days: 3 (longest 21)