Monthly Sunspot Observation Report
February 2008 Sunspot classification and coordinates →
2.05
Monthly mean R
20 / 29
Observation days (69%)
15
Maximum R
9
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 | 06:50 | 1 | 5 | 15 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 02 | 08:00 | 0 | 0 | 0 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 04 | 09:35 | 0 | 0 | 0 | 2 | F. Korhan YELKENCİ | |
| Drawing | 05 | 08:10 | 0 | 0 | 0 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 08 | 08:40 | 0 | 0 | 0 | 3 | H. Hasan ESENOĞLU | |
| Drawing | 12 | 11:05 | 0 | 0 | 0 | 2 | H. Hasan ESENOĞLU | |
| Drawing | 14 | 09:05 | 0 | 0 | 0 | 2 | H. Hasan ESENOĞLU | |
| Drawing | 15 | 07:35 | 0 | 0 | 0 | 2 | İpek H. ÇAY | |
| Drawing | 18 | 10:10 | 0 | 0 | 0 | 2 | F. Korhan YELKENCİ | |
| Drawing | 19 | 09:45 | 0 | 0 | 0 | 2 | Sinan ALİŞ | |
| Drawing | 20 | 07:10 | 0 | 0 | 0 | 3 | F. Korhan YELKENCİ | |
| Drawing | 21 | 07:27 | 0 | 0 | 0 | 2 | Sinan ALİŞ | |
| Drawing | 22 | 07:10 | 0 | 0 | 0 | 3 | F. Korhan YELKENCİ | |
| Drawing | 23 | 09:55 | 0 | 0 | 0 | 3 | Sinan ALİŞ | |
| Drawing | 24 | 08:40 | 0 | 0 | 0 | 4 | İpek H. ÇAY | |
| Drawing | 25 | 07:10 | 0 | 0 | 0 | 3 | Sinan ALİŞ | |
| Drawing | 26 | 07:45 | 1 | 4 | 14 | 3 | İpek H. ÇAY | |
| Drawing | 27 | 07:55 | 1 | 2 | 12 | 3 | Sinan ALİŞ | |
| Drawing | 28 | 07:25 | 0 | 0 | 0 | 2 | Sinan ALİŞ | |
| – | 29 | 07:50 | 0 | 0 | 0 | 3 | F. Korhan YELKENCİ | |
| Monthly Mean of Relative Number: 2.05 [20 observations; 69%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hasan Hüseyin Esenoğlu HE | 6 | 08:38 | --:-- |
| Sinan Aliş SA | 6 | 08:16 | --:-- |
| Korhan Yelkenci KY | 5 | 08:23 | --:-- |
| Ipek Hamami Cay ıH | 3 | 08:00 | --:-- |
| Month total | 20 – 9 | 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 (2008): 43 / 60 (72%)
Days without observation: 17
Consecutive days: 12 (longest 12)