Monthly Sunspot Observation Report
December 2022 Sunspot classification and coordinates →
117.19
Monthly mean R
16 / 31
Observation days (52%)
153
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 | 01 | 09:20 | 6 | 17 | 77 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 08 | 07:45 | 8 | 52 | 132 | 4 | H.ÇAKMAK-B.T. | BT |
| Drawing | 12 | 07:55 | 10 | 38 | 138 | 3 | Ergün EGE | EE |
| Drawing | 16 | 11:25 | 7 | 61 | 131 | 3 | H.ÇAKMAK=B.C. | BC |
| Drawing | 17 | 09:00 | 8 | 69 | 149 | 3 | Başar COŞKUNOĞLU | OP |
| Drawing | 20 | 07:20 | 7 | 41 | 111 | 3 | Korhan YELKENCİ | TY0 |
| Drawing | 21 | 09:07 | 9 | 63 | 153 | 3 | T.YONTAN=K.Y. | KY |
| Drawing | 22 | 09:15 | 7 | 38 | 108 | 3 | Burçin TANIK | BT |
| Drawing | 23 | 10:30 | 6 | 22 | 82 | 3 | Olcay PLEVNE | OP |
| Drawing | 24 | 10:45 | 5 | 42 | 92 | 3 | Burçin TANIK | BT |
| Drawing | 25 | 11:45 | 7 | 51 | 121 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 26 | 07:40 | 7 | 20 | 90 | 3 | Ergün EGE | EE |
| Drawing | 27 | 10:10 | 5 | 76 | 126 | 3 | Talar YONTAN | TY0 |
| Drawing | 29 | 07:30 | 8 | 44 | 124 | 3 | Başar COŞKUNOĞLU | HÇ |
| Drawing | 30 | 11:55 | 9 | 58 | 148 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 31 | 09:40 | 6 | 33 | 93 | 3 | Ergün EGE | EE |
| Monthly Mean of Relative Number: 117.19 [16 observations; 52%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 4 | 10:04 | 10:33 [2] |
| Ergün Ege EE | 3 | 08:25 | 08:25 [3] |
| Başar Coşkunoğlu BC | 3 | 09:28 | 11:55 [1] |
| Talar Yontan TY0 | 2 | 09:38 | 10:10 [1] |
| Burçin Tanık BT | 2 | 10:00 | 10:00 [2] |
| Korhan Yelkenci KY | 1 | 07:20 | --:-- |
| Olcay Plevne OP | 1 | 10:30 | 10:30 [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 (2022): 279 / 365 (76%)
Days without observation: 86
Consecutive days: 3 (longest 51)