Monthly Sunspot Observation Report
February 2018 Sunspot classification and coordinates →
13.43
Monthly mean R
14 / 28
Observation days (50%)
37
Maximum R
14
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 | 08:05 | 0 | 0 | 0 | 3 | H.ÇAKMAK-B.C. | BC |
| Drawing | 03 | 10:30 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 05 | 07:30 | 1 | 3 | 13 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 06 | 09:25 | 1 | 6 | 16 | 3 | Seda KAPTAN | SK0 |
| – | 07 | 10:50 | 1 | 8 | 18 | 3 | T.YONTAN=Ö.Ö. | ÖÖ |
| Drawing | 08 | 07:05 | 1 | 16 | 26 | 3 | Süleyman FİŞEK | SF |
| Drawing | 09 | 07:00 | 1 | 20 | 30 | 3 | Ö.ÖNALTAŞ=T.Y. | TY0 |
| Drawing | 13 | 09:00 | 1 | 18 | 28 | 3 | Korhan YELKENCİ | KY |
| Drawing | 14 | 12:20 | 1 | 27 | 37 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 15 | 08:00 | 1 | 10 | 20 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 18 | 09:05 | 0 | 0 | 0 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 19 | 09:25 | 0 | 0 | 0 | 2 | Hikmet ÇAKMAK | HÇ |
| Drawing | 21 | 09:10 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 22 | 11:00 | 0 | 0 | 0 | 3 | H.ÇAKMAK=B.C. | BC |
| Monthly Mean of Relative Number: 13.43 [14 observations; 50%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 4 | 09:00 | 08:27 [2] |
| Ozgecan Önal Taş ÖÖ | 4 | 09:44 | 10:38 [3] |
| Süleyman Fişek SF | 2 | 08:08 | 08:08 [2] |
| Seda Kaptan SK0 | 1 | 09:25 | 09:25 [1] |
| Talar Yontan TY0 | 1 | 10:50 | --:-- |
| Korhan Yelkenci KY | 1 | 09:00 | 09:00 [1] |
| Başar Coşkunoğlu BC | 1 | 08:00 | 08:00 [1] |
| Month total | 14 – 14 | 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 (2018): 35 / 59 (59%)
Days without observation: 24
Consecutive days: 0 (longest 8)