Monthly Sunspot Observation Report
March 2023 Sunspot classification and coordinates →
128.44
Monthly mean R
16 / 31
Observation days (52%)
165
Maximum R
15
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 | 06 | 09:40 | 10 | 45 | 145 | 3 | Ergün EGE | EE |
| Drawing | 07 | 07:40 | 11 | 44 | 154 | 3 | Korhan YELKENCİ | KY |
| Drawing | 08 | 14:00 | 12 | 45 | 165 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 09 | 08:00 | 10 | 39 | 139 | 3 | Burçin TANIK | BT |
| Drawing | 10 | 08:25 | 9 | 18 | 108 | 3 | O.PLEVNE=B.C. | BC |
| Drawing | 11 | 13:30 | 12 | 42 | 162 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 13 | 07:00 | 9 | 20 | 110 | 3 | Ergün EGE | EE |
| Drawing | 14 | 07:30 | 9 | 26 | 116 | 3 | Korhan YELKENCİ | KY |
| Drawing | 15 | 06:51 | 9 | 24 | 114 | 3 | Olcay PLEVNE | OP |
| Drawing | 20 | 07:46 | 6 | 13 | 73 | 3 | Ergün EGE | EE |
| Drawing | 21 | 07:30 | 7 | 30 | 100 | 3 | Korhan YELKENCİ | KY |
| Drawing | 24 | 07:10 | 11 | 53 | 163 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 25 | 08:40 | 9 | 68 | 158 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 27 | 06:50 | 11 | 34 | 144 | 3 | Ergün EGE | EE |
| Drawing | 29 | 10:45 | 7 | 26 | 96 | 3 | Olcay PLEVNE | OP |
| Drawing | 30 | 07:35 | 9 | 18 | 108 | 3 | Burçin TANIK | BT |
| Monthly Mean of Relative Number: 128.44 [16 observations; 52%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Ergün Ege EE | 4 | 07:49 | 07:49 [4] |
| Korhan Yelkenci KY | 3 | 07:33 | 07:33 [3] |
| Hikmet Çakmak HÇ | 3 | 11:33 | 11:33 [3] |
| Olcay Plevne OP | 3 | 08:40 | 08:48 [2] |
| Burçin Tanık BT | 2 | 07:48 | 07:48 [2] |
| Başar Coşkunoğlu BC | 1 | 08:40 | 08:40 [1] |
| Month total | 16 – 15 | 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 (2023): 53 / 90 (59%)
Days without observation: 37
Consecutive days: 2 (longest 11)