Monthly Sunspot Observation Report
April 2022 Sunspot classification and coordinates →
84.10
Monthly mean R
21 / 30
Observation days (70%)
199
Maximum R
9
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 | 02 | 06:15 | 6 | 45 | 105 | 3 | Korhan YELKENCİ | KY |
| Drawing | 03 | 11:05 | 6 | 32 | 92 | 3 | Ergün EGE | EE |
| Drawing | 04 | 09:45 | 5 | 13 | 63 | 3 | Ergün EGE | EE |
| Drawing | 06 | 11:20 | 5 | 34 | 84 | 3 | Oğuzhan ÇAKIR | ÖÖ |
| Drawing | 08 | 08:55 | 3 | 14 | 44 | 3 | O.PLEVNE=B.C. | BC |
| Drawing | 09 | 09:50 | 2 | 9 | 29 | 3 | Olcay PLEVNE | OP |
| Drawing | 10 | 09:50 | 2 | 9 | 29 | 3 | T.YONTAN=O.Ç. | OÇ |
| Drawing | 12 | 06:50 | 1 | 4 | 14 | 3 | Süleyman FİŞEK | KY |
| Drawing | 13 | 08:30 | 3 | 6 | 36 | 3 | Oğuzhan ÇAKIR | OÇ |
| Drawing | 14 | 10:00 | 3 | 10 | 40 | 3 | Burçin TANIK | BT |
| Drawing | 15 | 09:50 | 4 | 10 | 50 | 3 | Başar COŞKUNOĞLU | OP |
| Drawing | 16 | 06:00 | 5 | 11 | 61 | 3 | Süleyman FİŞEK | SF |
| Drawing | 20 | 09:55 | 6 | 43 | 103 | 4 | Ö.ÖNALTAŞ=O.Ç. | OÇ |
| Drawing | 21 | 07:40 | 4 | 32 | 72 | 3 | Süleyman FİŞEK | SF |
| Drawing | 23 | 13:00 | 10 | 65 | 165 | 4 | Ö.ÖNALTAŞ=B.T. | BT |
| Drawing | 24 | 10:20 | 8 | 88 | 168 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 25 | 09:30 | 5 | 24 | 74 | 3 | Ergün EGE | EE |
| Drawing | 26 | 08:10 | 13 | 69 | 199 | 3 | Talar YONTAN | TY0 |
| Drawing | 27 | 12:45 | 9 | 22 | 112 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 28 | 08:30 | 9 | 31 | 121 | 3 | Burçin TANIK | BT |
| Drawing | 29 | 07:55 | 9 | 15 | 105 | 3 | Olcay PLEVNE | OP |
| Monthly Mean of Relative Number: 84.10 [21 observations; 70%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Ozgecan Önal Taş ÖÖ | 4 | 11:30 | 11:33 [2] |
| Ergün Ege EE | 3 | 10:07 | 10:07 [3] |
| Olcay Plevne OP | 3 | 08:53 | 08:53 [2] |
| Süleyman Fişek SF | 3 | 06:50 | 06:50 [2] |
| Oğuzhan Çakır OÇ | 2 | 09:55 | 08:30 [1] |
| Talar Yontan TY0 | 2 | 09:00 | 08:10 [1] |
| Burçin Tanık BT | 2 | 09:15 | 09:15 [2] |
| Korhan Yelkenci KY | 1 | 06:15 | 06:15 [1] |
| Başar Coşkunoğlu BC | 1 | 09:50 | --:-- |
| Month total | 21 – 9 | 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 (2022): 70 / 120 (58%)
Days without observation: 50
Consecutive days: 7 (longest 10)


