Monthly Sunspot Observation Report
January 2019 Sunspot classification and coordinates →
6.00
Monthly mean R
15 / 31
Observation days (48%)
29
Maximum R
16
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 | 07 | 09:55 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 08 | 10:25 | 0 | 0 | 0 | 3 | H.ÇAKMAK-K.Y. | KY |
| Drawing | 09 | 08:15 | 1 | 1 | 11 | 3 | T.YONTAN=Ö.Ö. | ÖÖ |
| Drawing | 14 | 11:55 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 16 | 07:05 | 0 | 0 | 0 | 3 | T.YONTAN=K.Y. | KY |
| Drawing | 17 | 10:10 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 18 | 07:50 | 0 | 0 | 0 | 3 | T.YONTAN+B.A. | TY0 |
| Drawing | 19 | 07:40 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 20 | 09:00 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 21 | 06:45 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 22 | 11:30 | 1 | 5 | 15 | 2 | K.YELKENCİ+E.S. | KY |
| Drawing | 26 | 08:40 | 1 | 19 | 29 | 3 | Talar YONTAN | TY0 |
| Drawing | 28 | 11:25 | 1 | 11 | 21 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 29 | 07:25 | 1 | 4 | 14 | 3 | Olcay PLEVNE | OP |
| Drawing | 30 | 10:54 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Monthly Mean of Relative Number: 6.00 [15 observations; 48%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 5 | 10:32 | 10:34 [4] |
| Talar Yontan TY0 | 4 | 07:57 | 08:15 [2] |
| Başar Coşkunoğlu BC | 2 | 08:55 | 08:55 [2] |
| Olcay Plevne OP | 2 | 07:05 | 07:05 [2] |
| Korhan Yelkenci KY | 1 | 11:30 | 11:30 [1] |
| Ozgecan Önal Taş ÖÖ | 1 | 10:54 | 10:54 [1] |
| Month total | 15 – 16 | 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): 15 / 31 (48%)
Days without observation: 16
Consecutive days: 3 (longest 7)