Monthly Sunspot Observation Report
February 2024 Sunspot classification and coordinates →
112.56
Monthly mean R
18 / 29
Observation days (62%)
179
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 | 01 | 08:00 | 8 | 40 | 120 | 3 | Burçin TANIK | BT |
| Drawing | 02 | 07:50 | 9 | 39 | 129 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 03 | 08:10 | 7 | 37 | 107 | 3 | Ergün EGE | EE |
| Drawing | 05 | 11:45 | 10 | 43 | 143 | 3 | Ergün EGE | EE |
| Drawing | 06 | 08:35 | 11 | 46 | 156 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 07 | 08:05 | 10 | 60 | 160 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 08 | 07:45 | 10 | 79 | 179 | 3 | Burçin TANIK | BT |
| Drawing | 09 | 08:45 | 6 | 70 | 130 | 3 | H.ÇAKMAK-B.C. | BC |
| Drawing | 10 | 10:40 | 7 | 82 | 152 | 3 | Burçin TANIK | BT |
| Drawing | 13 | 11:22 | 6 | 91 | 151 | 3 | Süleyman FİŞEK | KY |
| Drawing | 20 | 08:15 | 2 | 16 | 36 | 3 | Burçin TANIK | BT |
| Drawing | 21 | 10:25 | 2 | 19 | 39 | 3 | Olcay PLEVNE | OP |
| Drawing | 22 | 07:45 | 2 | 33 | 53 | 3 | K.YELKENCİ=S.F. | SF |
| Drawing | 23 | 09:50 | 2 | 10 | 30 | 2 | Başar COŞKUNOĞLU | BC |
| Drawing | 24 | 11:15 | 5 | 45 | 95 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 27 | 09:40 | 6 | 67 | 127 | 3 | Korhan YELKENCİ | KY |
| Drawing | 28 | 09:25 | 5 | 49 | 99 | 3 | Olcay PLEVNE | OP |
| Drawing | 29 | 08:30 | 7 | 50 | 120 | 3 | K.YELKENCİ=S.F. | SF |
| Monthly Mean of Relative Number: 112.56 [18 observations; 62%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Burçin Tanık BT | 4 | 08:40 | 08:40 [4] |
| Hikmet Çakmak HÇ | 4 | 08:19 | 08:10 [3] |
| Korhan Yelkenci KY | 3 | 08:38 | 09:40 [1] |
| Ergün Ege EE | 2 | 09:57 | 09:57 [2] |
| Olcay Plevne OP | 2 | 09:55 | 09:55 [2] |
| Başar Coşkunoğlu BC | 2 | 10:33 | 10:33 [2] |
| Süleyman Fişek SF | 1 | 11:22 | --:-- |
| Month total | 18 – 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 (2024): 31 / 60 (52%)
Days without observation: 29
Consecutive days: 3 (longest 6)