Monthly Sunspot Observation Report
December 2019 Sunspot classification and coordinates →
0.00
Monthly mean R
20 / 31
Observation days (65%)
0
Maximum R
11
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 | 02 | 07:10 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 03 | 07:20 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 05 | 06:35 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 06 | 09:15 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | OP |
| Drawing | 07 | 09:00 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 08 | 08:40 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 09 | 09:00 | 0 | 0 | 0 | 3 | Burçin TANIK | BT |
| Drawing | 10 | 08:00 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 11 | 07:00 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 12 | 07:15 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 13 | 11:00 | 0 | 0 | 0 | 3 | O.PLEVNE=B.C. | BC |
| Drawing | 14 | 14:40 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 15 | 12:05 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 16 | 07:15 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 17 | 10:00 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 18 | 09:14 | 0 | 0 | 0 | 3 | Burçin TANIK | BT |
| Drawing | 19 | 08:00 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 21 | 08:00 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | OP |
| Drawing | 22 | 08:40 | 0 | 0 | 0 | 3 | O.PLEVNE=S.F. | SF |
| Drawing | 23 | 11:12 | 0 | 0 | 0 | 3 | Burçin TANIK | BT |
| Monthly Mean of Relative Number: 0.00 [20 observations; 65%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Süleyman Fişek SF | 4 | 07:28 | 07:17 [3] |
| Talar Yontan TY0 | 3 | 08:50 | 08:50 [3] |
| Burçin Tanık BT | 3 | 09:49 | 09:49 [3] |
| Olcay Plevne OP | 3 | 09:53 | 10:00 [1] |
| Başar Coşkunoğlu BC | 2 | 09:08 | 09:00 [1] |
| Korhan Yelkenci KY | 2 | 08:20 | 08:20 [2] |
| Ozgecan Önal Taş ÖÖ | 2 | 10:50 | 10:50 [2] |
| Hikmet Çakmak HÇ | 1 | 07:20 | 07:20 [1] |
| Month total | 20 – 11 | 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 (2019): 306 / 365 (84%)
Days without observation: 59
Consecutive days: 0 (longest 40)