Monthly Sunspot Observation Report
August 2019 Sunspot classification and coordinates →
0.77
Monthly mean R
30 / 31
Observation days (97%)
12
Maximum R
1
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 | 0 | 0 | 0 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 02 | 07:50 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 03 | 08:05 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 04 | 10:30 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 05 | 11:27 | 1 | 2 | 12 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 06 | 12:00 | 0 | 0 | 0 | 3 | H.ÇAKMAK=K.Y. | KY |
| Drawing | 07 | 07:50 | 1 | 1 | 11 | 3 | Süleyman FİŞEK | SF |
| Drawing | 08 | 07:10 | 0 | 0 | 0 | 3 | S.FİŞEK=K.Y. | HÇ |
| Drawing | 09 | 10:50 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 10 | 07:45 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 11 | 14:30 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 12 | 10:35 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 13 | 11:30 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 14 | 08:35 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 15 | 08:20 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| – | 16 | 10:30 | 0 | 0 | 0 | 3 | T.YONTAN=B.C. | BC |
| Drawing | 17 | 05:07 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 18 | 09:50 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 19 | 10:00 | 0 | 0 | 0 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 20 | 12:15 | 0 | 0 | 0 | 3 | T.YONTAN=K.Y. | KY |
| Drawing | 22 | 09:00 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | TY0 |
| Drawing | 23 | 10:40 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 24 | 11:00 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | OP |
| Drawing | 25 | 08:15 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 26 | 07:55 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 27 | 07:40 | 0 | 0 | 0 | 3 | Talar YONTAN | KY |
| Drawing | 28 | 08:10 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 29 | 08:05 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 30 | 07:00 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 31 | 08:20 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Monthly Mean of Relative Number: 0.77 [30 observations; 97%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 7 | 08:49 | 08:17 [6] |
| Başar Coşkunoğlu BC | 7 | 10:11 | 10:16 [5] |
| Talar Yontan TY0 | 6 | 09:48 | 09:27 [3] |
| Süleyman Fişek SF | 5 | 07:36 | 07:43 [4] |
| Ozgecan Önal Taş ÖÖ | 2 | 10:44 | 10:44 [2] |
| Korhan Yelkenci KY | 2 | 09:49 | 09:49 [2] |
| Olcay Plevne OP | 1 | 08:10 | 08:10 [1] |
| Month total | 30 – 1 | 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 (2019): 203 / 243 (84%)
Days without observation: 40
Consecutive days: 10 (longest 40)