Monthly Sunspot Observation Report
February 2017 Sunspot classification and coordinates →
32.17
Monthly mean R
18 / 28
Observation days (64%)
63
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 | 10:05 | 4 | 18 | 58 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 02 | 07:25 | 3 | 13 | 43 | 3 | Seda KAPTAN | SK0 |
| Drawing | 03 | 11:30 | 3 | 8 | 38 | 3 | Süleyman FİŞEK | SF |
| Drawing | 04 | 07:45 | 3 | 7 | 37 | 3 | Talar YONTAN | TY0 |
| Drawing | 06 | 06:55 | 1 | 1 | 11 | 3 | K.YELKENCİ=S.F. | SF |
| Drawing | 08 | 10:00 | 2 | 3 | 23 | 3 | S.FİŞEK=Ö.Ö. | ÖÖ |
| Drawing | 10 | 10:30 | 2 | 11 | 31 | 3 | S.FİŞEK=K.Y. | KY |
| Drawing | 14 | 09:20 | 1 | 5 | 15 | 3 | Süleyman FİŞEK | SF |
| Drawing | 17 | 07:25 | 1 | 2 | 12 | 3 | Korhan YELKENCİ | KY |
| Drawing | 18 | 09:20 | 1 | 2 | 12 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 19 | 09:10 | 3 | 4 | 34 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 21 | 08:35 | 1 | 12 | 22 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 22 | 11:00 | 1 | 17 | 27 | 3 | Ö.ÖNALTAŞ=S.F. | SF |
| Drawing | 23 | 08:00 | 2 | 6 | 26 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 24 | 07:30 | 2 | 14 | 34 | 3 | K.YELKENCİ+S.F. | KY |
| Drawing | 25 | 06:50 | 3 | 8 | 38 | 3 | Korhan YELKENCİ | KY |
| Drawing | 27 | 07:45 | 5 | 13 | 63 | 3 | Talar YONTAN | TY0 |
| Drawing | 28 | 08:25 | 4 | 15 | 55 | 3 | Hikmet ÇAKMAK | HÇ |
| Monthly Mean of Relative Number: 32.17 [18 observations; 64%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Süleyman Fişek SF | 4 | 10:20 | 10:25 [2] |
| Korhan Yelkenci KY | 4 | 07:10 | 07:15 [3] |
| Ozgecan Önal Taş ÖÖ | 3 | 10:08 | 09:43 [2] |
| Hikmet Çakmak HÇ | 3 | 08:43 | 08:43 [3] |
| Talar Yontan TY0 | 2 | 07:45 | 07:45 [2] |
| Seda Kaptan SK0 | 1 | 07:25 | 07:25 [1] |
| Başar Coşkunoğlu BC | 1 | 08:00 | 08:00 [1] |
| Month total | 18 – 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 (2017): 32 / 59 (54%)
Days without observation: 27
Consecutive days: 2 (longest 6)