Monthly Sunspot Observation Report
May 2019 Sunspot classification and coordinates →
9.90
Monthly mean R
29 / 31
Observation days (94%)
34
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 | 11:59 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 02 | 09:00 | 0 | 0 | 0 | 3 | O.PLEVNE=H.Ç. | HÇ |
| Drawing | 03 | 07:20 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 04 | 07:00 | 1 | 2 | 12 | 3 | Olcay PLEVNE | BC |
| Drawing | 05 | 05:45 | 1 | 3 | 13 | 3 | Talar YONTAN | TY0 |
| Drawing | 06 | 07:35 | 2 | 14 | 34 | 3 | Talar YONTAN | TY0 |
| Drawing | 07 | 08:30 | 2 | 3 | 23 | 2 | K.YELKENCİ+M.E. | KY |
| Drawing | 09 | 06:15 | 2 | 5 | 25 | 2 | Süleyman FİŞEK | SF |
| Drawing | 11 | 09:10 | 2 | 9 | 29 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 12 | 09:50 | 2 | 12 | 32 | 3 | Korhan YELKENCİ | KY |
| Drawing | 13 | 08:43 | 2 | 2 | 22 | 3 | Burcu AKBULUT | BA |
| Drawing | 14 | 10:15 | 2 | 4 | 24 | 2 | Korhan YELKENCİ | KY |
| Drawing | 15 | 07:10 | 2 | 2 | 22 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 16 | 13:50 | 1 | 3 | 13 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 17 | 08:35 | 1 | 3 | 13 | 2 | H.ÇAKMAK=O.P. | OP |
| Drawing | 18 | 08:30 | 1 | 2 | 12 | 3 | S.FİŞEK=O.P. | OP |
| Drawing | 19 | 06:50 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 20 | 06:40 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 21 | 07:50 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 22 | 07:00 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 23 | 08:10 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | SF |
| Drawing | 24 | 08:10 | 0 | 0 | 0 | 3 | H.ÇAKMAK=B.C. | BC |
| Drawing | 25 | 08:50 | 0 | 0 | 0 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 26 | 10:30 | 0 | 0 | 0 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 27 | 06:40 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 28 | 11:00 | 0 | 0 | 0 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 29 | 09:00 | 1 | 3 | 13 | 3 | Süleyman FİŞEK | SF |
| Drawing | 30 | 09:40 | 0 | 0 | 0 | 3 | Burcu AKBULUT | BA |
| Drawing | 31 | 08:10 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Monthly Mean of Relative Number: 9.90 [29 observations; 94%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 5 | 10:05 | 11:13 [3] |
| Süleyman Fişek SF | 5 | 07:45 | 07:34 [4] |
| Ozgecan Önal Taş ÖÖ | 4 | 08:50 | 08:50 [4] |
| Olcay Plevne OP | 4 | 07:53 | 07:45 [2] |
| Talar Yontan TY0 | 4 | 06:40 | 06:40 [4] |
| Korhan Yelkenci KY | 4 | 09:06 | 09:06 [4] |
| Burcu Akbulut BA | 2 | 09:12 | 09:12 [2] |
| Başar Coşkunoğlu BC | 1 | 10:30 | 10:30 [1] |
| Month total | 29 – 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): 114 / 151 (75%)
Days without observation: 37
Consecutive days: 21 (longest 22)