Monthly Sunspot Observation Report
May 2017 Sunspot classification and coordinates →
21.50
Monthly mean R
28 / 31
Observation days (90%)
71
Maximum R
3
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 | 07:20 | 1 | 3 | 13 | 3 | Talar YONTAN | TY0 |
| Drawing | 02 | 07:40 | 3 | 10 | 40 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 03 | 07:00 | 1 | 6 | 16 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 04 | 07:45 | 1 | 8 | 18 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 05 | 06:35 | 2 | 20 | 40 | 3 | Süleyman FİŞEK | SF |
| Drawing | 06 | 05:05 | 2 | 9 | 29 | 3 | Korhan YELKENCİ | KY |
| Drawing | 07 | 07:25 | 2 | 3 | 23 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 08 | 06:40 | 2 | 2 | 22 | 3 | Süleyman FİŞEK | SF |
| Drawing | 09 | 09:30 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 10 | 13:49 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 11 | 09:30 | 0 | 0 | 0 | 3 | Seda KAPTAN | SK0 |
| Drawing | 12 | 07:10 | 1 | 2 | 12 | 3 | S.FİŞEK=K.Y. | KY |
| Drawing | 13 | 08:05 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 14 | 08:30 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 15 | 07:00 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 16 | 09:45 | 2 | 8 | 28 | 3 | Süleyman FİŞEK | SF |
| Drawing | 18 | 08:30 | 2 | 7 | 27 | 3 | Özgecan ÖNALTAŞ | BC |
| Drawing | 19 | 12:05 | 2 | 4 | 24 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 20 | 09:45 | 2 | 2 | 22 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 22 | 08:45 | 4 | 16 | 56 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 23 | 07:30 | 5 | 21 | 71 | 3 | Korhan YELKENCİ | KY |
| Drawing | 24 | 07:35 | 1 | 13 | 23 | 3 | K.YELKENCİ=S.F. | SF |
| Drawing | 25 | 11:30 | 1 | 10 | 20 | 3 | Seda KAPTAN | SK0 |
| Drawing | 26 | 10:15 | 1 | 21 | 31 | 3 | Korhan YELKENCİ | KY |
| Drawing | 27 | 09:00 | 1 | 41 | 51 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 28 | 08:30 | 1 | 11 | 21 | 3 | Talar YONTAN | TY0 |
| Drawing | 29 | 06:40 | 1 | 5 | 15 | 3 | Talar YONTAN | TY0 |
| Drawing | 31 | 06:30 | 0 | 0 | 0 | 3 | S.FİŞEK=Ö.Ö. | ÖÖ |
| Monthly Mean of Relative Number: 21.50 [28 observations; 90%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Talar Yontan TY0 | 5 | 07:31 | 07:31 [5] |
| Süleyman Fişek SF | 5 | 07:20 | 07:40 [3] |
| Hikmet Çakmak HÇ | 4 | 09:00 | 09:00 [4] |
| Ozgecan Önal Taş ÖÖ | 4 | 07:59 | 07:48 [3] |
| Korhan Yelkenci KY | 4 | 07:36 | 07:37 [3] |
| Başar Coşkunoğlu BC | 4 | 10:27 | 10:27 [4] |
| Seda Kaptan SK0 | 2 | 10:30 | 10:30 [2] |
| Month total | 28 – 3 | Observing window: 06:00 – 08:00 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): 110 / 151 (73%)
Days without observation: 41
Consecutive days: 1 (longest 28)