Monthly Sunspot Observation Report
December 2007 Sunspot classification and coordinates →
8.86
Monthly mean R
21 / 31
Observation days (68%)
36
Maximum R
10
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 | 10:49 | 1 | 3 | 13 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 02 | 07:23 | 1 | 3 | 13 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 03 | 09:29 | 1 | 1 | 11 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 04 | 11:07 | 1 | 3 | 13 | 2 | H. Hasan ESENOĞLU | |
| Drawing | 08 | 07:14 | 2 | 15 | 35 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 10 | 11:26 | 1 | 3 | 13 | 1 | H. Hasan ESENOĞLU | |
| Drawing | 11 | 07:05 | 1 | 26 | 36 | 3 | İpek H. ÇAY | |
| Drawing | 12 | 09:05 | 1 | 8 | 18 | 2 | Z. Funda BOSTANCI | |
| Drawing | 14 | 06:50 | 1 | 7 | 17 | 2 | H. Hasan ESENOĞLU | |
| Drawing | 15 | 07:10 | 1 | 7 | 17 | 2 | Tolga GÜVER | |
| Drawing | 18 | 10:55 | 0 | 0 | 0 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 21 | 07:40 | 0 | 0 | 0 | 2 | Tolga GÜVER | |
| Drawing | 22 | 07:50 | 0 | 0 | 0 | 3 | Z. Funda BOSTANCI | |
| Drawing | 23 | 07:15 | 0 | 0 | 0 | 3 | Tolga GÜVER | |
| Drawing | 24 | 07:20 | 0 | 0 | 0 | 3 | İpek H. ÇAY | |
| Drawing | 25 | 06:54 | 0 | 0 | 0 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 26 | 07:00 | 0 | 0 | 0 | 3 | Z. Funda BOSTANCI | |
| Drawing | 27 | 08:00 | 0 | 0 | 0 | 3 | Tolga GÜVER | |
| Drawing | 29 | 08:55 | 0 | 0 | 0 | 3 | Tolga GÜVER | |
| Drawing | 30 | 08:40 | 0 | 0 | 0 | 4 | İpek H. ÇAY | |
| Drawing | 31 | 09:11 | 0 | 0 | 0 | 3 | H. Hasan ESENOĞLU | |
| Monthly Mean of Relative Number: 8.86 [21 observations; 68%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hasan Hüseyin Esenoğlu HE | 10 | 09:08 | --:-- |
| Tolga Güver TG | 5 | 07:48 | --:-- |
| Ipek Hamami Cay ıH | 3 | 07:42 | --:-- |
| Zahide Funda Bostancı Güver ZFB | 3 | 07:58 | --:-- |
| Month total | 21 – 10 | 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 (2007): 282 / 365 (77%)
Days without observation: 83
Consecutive days: 3 (longest 33)