Monthly Sunspot Observation Report
December 2010 Sunspot classification and coordinates →
26.44
Monthly mean R
16 / 31
Observation days (52%)
65
Maximum R
15
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 | 12:50 | 2 | 20 | 40 | 2 | Hikmet ÇAKMAK | |
| Drawing | 02 | 08:05 | 2 | 13 | 33 | 2 | Başar COŞKUNOĞLU | |
| Drawing | 03 | 07:55 | 3 | 17 | 47 | 4 | Hikmet ÇAKMAK | |
| Drawing | 04 | 07:10 | 5 | 15 | 65 | 4 | Hikmet ÇAKMAK | |
| Drawing | 06 | 07:20 | 3 | 6 | 36 | 3 | Korhan YELKENCİ | |
| Drawing | 07 | 08:30 | 3 | 18 | 48 | 4 | Asuman GÜLTEKİN | |
| Drawing | 08 | 08:05 | 3 | 11 | 41 | 4 | Hikmet ÇAKMAK | |
| Drawing | 17 | 12:20 | 1 | 1 | 11 | 2 | Hikmet ÇAKMAK | |
| Drawing | 18 | 08:15 | 0 | 0 | 0 | 1 | Başar COŞKUNOĞLU | |
| Drawing | 20 | 11:25 | 1 | 1 | 11 | 2 | Korhan YELKENCİ | |
| Drawing | 21 | 08:20 | 0 | 0 | 0 | 4 | Asuman GÜLTEKİN | |
| Drawing | 22 | 07:35 | 1 | 4 | 14 | 4 | Hikmet ÇAKMAK | |
| Drawing | 23 | 07:45 | 0 | 0 | 0 | 2 | Başar COŞKUNOĞLU | |
| Drawing | 24 | 09:30 | 1 | 1 | 11 | 2 | Korhan YELKENCİ | |
| Drawing | 25 | 10:25 | 1 | 3 | 13 | 3 | Asuman GÜLTEKİN | |
| Drawing | 31 | 07:45 | 4 | 13 | 53 | 3 | H.ÇAKMAK+B.C. | |
| Monthly Mean of Relative Number: 26.44 [16 observations; 52%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 7 | 09:06 | --:-- |
| Başar Coşkunoğlu BC | 3 | 08:02 | --:-- |
| Korhan Yelkenci KY | 3 | 09:25 | --:-- |
| Asuman Gültekin Annak AG0 | 3 | 09:05 | --:-- |
| Month total | 16 – 15 | 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 (2010): 196 / 365 (54%)
Days without observation: 169
Consecutive days: 1 (longest 46)