Monthly Sunspot Observation Report
September 2019 Sunspot classification and coordinates →
1.50
Monthly mean R
28 / 30
Observation days (93%)
15
Maximum R
2
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 | 10:45 | 1 | 3 | 13 | 3 | Olcay PLEVNE | OP |
| Drawing | 02 | 07:20 | 1 | 5 | 15 | 3 | Talar YONTAN | TY0 |
| Drawing | 03 | 10:25 | 1 | 4 | 14 | 3 | T.YONTAN=K.Y. | KY |
| Drawing | 04 | 07:30 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 05 | 09:15 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 06 | 08:30 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 07 | 08:00 | 0 | 0 | 0 | 3 | O.PLEVNE=S.F. | SF |
| Drawing | 08 | 07:40 | 0 | 0 | 0 | 3 | T.YONTAN=K.Y. | KY |
| Drawing | 09 | 07:50 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 10 | 08:25 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 11 | 10:00 | 0 | 0 | 0 | 3 | H.ÇAKMAK=O.P. | OP |
| Drawing | 12 | 08:05 | 0 | 0 | 0 | 3 | K.YELKENCİ=S.F. | SF |
| Drawing | 13 | 10:15 | 0 | 0 | 0 | 3 | O.PLEVNE=B.C. | BC |
| Drawing | 14 | 09:35 | 0 | 0 | 0 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 15 | 09:45 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 16 | 06:05 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 17 | 08:25 | 0 | 0 | 0 | 3 | S.FİŞEK=K.Y. | KY |
| Drawing | 18 | 07:00 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 19 | 06:50 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 21 | 06:20 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 22 | 08:02 | 0 | 0 | 0 | 3 | K.YELKENCİ=S.F. | SF |
| Drawing | 23 | 07:05 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 24 | 08:00 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 26 | 09:10 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 27 | 07:50 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | SF |
| Drawing | 28 | 08:15 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 29 | 10:10 | 0 | 0 | 0 | 3 | Olcay PLEVNE | BC |
| Drawing | 30 | 07:05 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Monthly Mean of Relative Number: 1.50 [28 observations; 93%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Olcay Plevne OP | 7 | 08:34 | 07:54 [4] |
| Talar Yontan TY0 | 7 | 08:01 | 07:37 [5] |
| Hikmet Çakmak HÇ | 5 | 09:15 | 09:04 [4] |
| Korhan Yelkenci KY | 4 | 08:08 | 08:12 [2] |
| Süleyman Fişek SF | 3 | 07:27 | 06:58 [2] |
| Başar Coşkunoğlu BC | 2 | 08:10 | 08:30 [1] |
| Month total | 28 – 2 | 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): 231 / 273 (85%)
Days without observation: 42
Consecutive days: 5 (longest 40)