Monthly Sunspot Observation Report
June 2021 Sunspot classification and coordinates →
29.00
Monthly mean R
22 / 30
Observation days (73%)
75
Maximum R
8
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 | 10:15 | 1 | 13 | 23 | 3 | Oğuzhan ÇAKIR | OÇ |
| Drawing | 03 | 06:40 | 2 | 30 | 50 | 3 | Süleyman FİŞEK | SF |
| Drawing | 04 | 07:45 | 2 | 13 | 33 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 05 | 07:20 | 3 | 15 | 45 | 4 | Hikmet ÇAKMAK | HÇ |
| Drawing | 07 | 07:30 | 3 | 11 | 41 | 3 | Ergün EGE | EE |
| Drawing | 08 | 10:00 | 3 | 15 | 45 | 3 | Oğuzhan ÇAKIR | KY |
| Drawing | 09 | 08:05 | 2 | 7 | 27 | 3 | Burçin TANIK | BT |
| Drawing | 10 | 09:30 | 2 | 13 | 33 | 3 | Talar YONTAN | TY0 |
| Drawing | 11 | 07:30 | 2 | 5 | 25 | 3 | Oğuzhan ÇAKIR | OÇ |
| Drawing | 12 | 07:15 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 15 | 13:30 | 1 | 1 | 11 | 3 | Oğuzhan ÇAKIR | OÇ |
| Drawing | 17 | 08:45 | 2 | 2 | 22 | 3 | Oğuzhan ÇAKIR | SF |
| Drawing | 18 | 06:35 | 2 | 3 | 23 | 3 | Burçin TANIK | BC |
| Drawing | 19 | 10:19 | 1 | 10 | 20 | 3 | Talar YONTAN | TY0 |
| Drawing | 22 | 07:25 | 1 | 3 | 13 | 3 | Burçin TANIK | KY |
| Drawing | 23 | 07:10 | 1 | 1 | 11 | 3 | Olcay PLEVNE | OP |
| Drawing | 24 | 09:43 | 1 | 1 | 11 | 3 | Talar YONTAN | TY0 |
| Drawing | 25 | 07:00 | 2 | 3 | 23 | 4 | Ergün EGE | EE |
| Drawing | 26 | 08:00 | 1 | 7 | 17 | 3 | Burçin TANIK | BT |
| Drawing | 28 | 07:50 | 3 | 9 | 39 | 3 | Ergün EGE | EE |
| Drawing | 29 | 07:15 | 3 | 45 | 75 | 3 | Oğuzhan ÇAKIR | OÇ |
| Drawing | 30 | 08:15 | 3 | 21 | 51 | 3 | Olcay PLEVNE | OP |
| Monthly Mean of Relative Number: 29.00 [22 observations; 73%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Oğuzhan Çakır OÇ | 6 | 09:33 | 09:38 [4] |
| Burçin Tanık BT | 4 | 07:31 | 08:03 [2] |
| Ergün Ege EE | 3 | 07:27 | 07:27 [3] |
| Talar Yontan TY0 | 3 | 09:51 | 09:51 [3] |
| Olcay Plevne OP | 3 | 07:33 | 07:33 [3] |
| Süleyman Fişek SF | 1 | 06:40 | 06:40 [1] |
| Başar Coşkunoğlu BC | 1 | 07:45 | 07:45 [1] |
| Hikmet Çakmak HÇ | 1 | 07:20 | 07:20 [1] |
| Month total | 22 – 8 | 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 (2021): 97 / 181 (54%)
Days without observation: 84
Consecutive days: 3 (longest 6)