Monthly Sunspot Observation Report
April 2018 Sunspot classification and coordinates →
9.87
Monthly mean R
30 / 30
Observation days (100%)
50
Maximum R
0
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 | 08:15 | 1 | 1 | 11 | 3 | Talar YONTAN | TY0 |
| Drawing | 02 | 08:15 | 0 | 0 | 0 | 3 | S.KAPTAN+S.F. | SK0 |
| Drawing | 03 | 08:00 | 0 | 0 | 0 | 3 | K.YELKENCİ+H.Ç. | KY |
| Drawing | 04 | 08:30 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 05 | 07:45 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 06 | 07:50 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 07 | 09:30 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 08 | 12:30 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 09 | 08:00 | 0 | 0 | 0 | 3 | S.KAPTAN=H.Ç. | HÇ |
| Drawing | 10 | 07:20 | 1 | 1 | 11 | 3 | H.ÇAKMAK=S.K. | SK0 |
| Drawing | 11 | 08:15 | 0 | 0 | 0 | 3 | H.ÇAKMAK=Ö.Ö. | ÖÖ |
| Drawing | 12 | 08:50 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 13 | 09:15 | 1 | 6 | 16 | 3 | K.YELKENCİ+O.P. | KY |
| Drawing | 14 | 11:00 | 0 | 0 | 0 | 3 | K.YELKENCİ=Ö.Ö. | ÖÖ |
| Drawing | 15 | 09:40 | 0 | 0 | 0 | 3 | Ö.ÖNALTAŞ=K.Y. | KY |
| Drawing | 16 | 08:20 | 1 | 2 | 12 | 3 | Talar YONTAN | TY0 |
| Drawing | 17 | 09:07 | 1 | 1 | 11 | 3 | Korhan YELKENCİ | KY |
| Drawing | 18 | 12:40 | 2 | 2 | 22 | 3 | H.ÇAKMAK=B.C. | BC |
| Drawing | 19 | 07:20 | 1 | 3 | 13 | 3 | Süleyman FİŞEK | SF |
| Drawing | 20 | 09:45 | 1 | 7 | 17 | 3 | T.YONTAN+O.P. | TY0 |
| Drawing | 21 | 08:10 | 2 | 30 | 50 | 3 | H.ÇAKMAK=B.C. | BC |
| Drawing | 22 | 08:50 | 1 | 16 | 26 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 23 | 09:00 | 1 | 16 | 26 | 4 | H.ÇAKMAK-S.K. | SK0 |
| Drawing | 24 | 09:15 | 1 | 28 | 38 | 3 | Korhan YELKENCİ | KY |
| Drawing | 25 | 08:56 | 1 | 6 | 16 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 26 | 08:55 | 1 | 4 | 14 | 3 | H.ÇAKMAK-B.C. | BC |
| Drawing | 27 | 08:35 | 1 | 3 | 13 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 28 | 09:15 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 29 | 10:20 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 30 | 09:30 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Monthly Mean of Relative Number: 9.87 [30 observations; 100%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 10 | 09:03 | 09:03 [4] |
| Talar Yontan TY0 | 5 | 09:20 | 09:20 [5] |
| Korhan Yelkenci KY | 5 | 09:19 | 08:54 [4] |
| Ozgecan Önal Taş ÖÖ | 4 | 09:22 | 09:15 [3] |
| Seda Kaptan SK0 | 2 | 08:08 | 08:15 [1] |
| Süleyman Fişek SF | 2 | 07:33 | 07:33 [2] |
| Başar Coşkunoğlu BC | 2 | 09:10 | 09:10 [2] |
| Month total | 30 – 0 | 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 (2018): 91 / 120 (76%)
Days without observation: 29
Consecutive days: 33 (longest 33)