Monthly Sunspot Observation Report
February 2007 Sunspot classification and coordinates →
13.82
Monthly mean R
17 / 28
Observation days (61%)
31
Maximum R
11
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 | 07:30 | 2 | 11 | 31 | 3 | Z. Funda BOSTANCI | |
| Drawing | 03 | 09:30 | 2 | 5 | 25 | 2 | Tolga GÜVER | |
| Drawing | 06 | 10:45 | 2 | 2 | 22 | 4 | Sinan ALİŞ | |
| Drawing | 07 | 06:25 | 2 | 2 | 22 | 3 | İpek ÇAY H. | |
| Drawing | 08 | 08:00 | 1 | 2 | 12 | 3 | Mevlana BAşAL | |
| Drawing | 09 | 09:15 | 1 | 1 | 11 | 2 | Tolga GÜVER | |
| Drawing | 10 | 11:30 | 1 | 1 | 11 | 3 | Sinan ALİŞ | |
| Drawing | 11 | 12:00 | 0 | 0 | 0 | 3 | Mevlana BAşAL | |
| Drawing | 13 | 07:30 | 0 | 0 | 0 | 3 | Tolga GÜVER | |
| Drawing | 14 | 08:40 | 0 | 0 | 0 | 3 | Mevlana BAşAL | |
| Drawing | 16 | 09:00 | 0 | 0 | 0 | 3 | İpek ÇAY H. | |
| Drawing | 20 | 07:05 | 1 | 3 | 13 | 3 | Z. Funda BOSTANCI | |
| Drawing | 21 | 08:25 | 1 | 3 | 13 | 3 | İpek ÇAY H. | |
| Drawing | 22 | 07:10 | 1 | 2 | 12 | 2 | Z. Funda BOSTANCI | |
| Drawing | 25 | 10:45 | 1 | 1 | 11 | 2 | Sinan ALİŞ | |
| Drawing | 26 | 09:00 | 2 | 3 | 23 | 3 | Z. Funda BOSTANCI | |
| Drawing | 27 | 08:00 | 2 | 9 | 29 | 2 | Sinan ALİŞ | |
| Monthly Mean of Relative Number: 13.82 [17 observations; 61%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Zahide Funda Bostancı Güver ZFB | 4 | 07:41 | --:-- |
| Sinan Aliş SA | 4 | 10:15 | --:-- |
| Tolga Güver TG | 3 | 08:45 | --:-- |
| Ipek Hamami Cay ıH | 3 | 07:57 | --:-- |
| Mevlana Başal MB | 3 | 09:33 | --:-- |
| Month total | 17 – 11 | 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): 36 / 59 (61%)
Days without observation: 23
Consecutive days: 3 (longest 6)


