Monthly Sunspot Observation Report
April 2024 Sunspot classification and coordinates →
133.32
Monthly mean R
22 / 30
Observation days (73%)
338
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 | 09:00 | 3 | 18 | 48 | 3 | Korhan YELKENCİ | KY |
| Drawing | 03 | 07:30 | 3 | 3 | 33 | 3 | Burçin TANIK ÖZTÜRK | BT |
| Drawing | 04 | 07:00 | 6 | 14 | 74 | 3 | Korhan YELKENCİ | SF |
| Drawing | 05 | 07:20 | 5 | 13 | 63 | 3 | Ergün EGE | EE |
| Drawing | 06 | 06:45 | 7 | 26 | 96 | 3 | Süleyman FİŞEK | SF |
| Drawing | 07 | 11:20 | 4 | 10 | 50 | 3 | Burçin TANIK ÖZTÜRK | BT |
| Drawing | 08 | 07:35 | 5 | 12 | 62 | 3 | Ergün EGE | EE |
| Drawing | 09 | 07:45 | 3 | 11 | 41 | 3 | Ergün EGE | EE |
| Drawing | 10 | 08:05 | 4 | 20 | 60 | 3 | Korhan YELKENCİ | KY |
| Drawing | 11 | 08:45 | 5 | 42 | 92 | 3 | Korhan YELKENCİ | KY |
| Drawing | 12 | 09:35 | 5 | 45 | 95 | 3 | Korhan YELKENCİ | KY |
| Drawing | 13 | 07:35 | 8 | 28 | 108 | 3 | Ergün EGE | EE |
| Drawing | 14 | 06:20 | 10 | 77 | 177 | 3 | Korhan YELKENCİ | KY |
| Drawing | 15 | 06:15 | 11 | 93 | 203 | 3 | Korhan YELKENCİ | KY |
| Drawing | 16 | 07:15 | 7 | 90 | 160 | 3 | Süleyman FİŞEK | OP |
| Drawing | 17 | 07:10 | 15 | 111 | 261 | 3 | Burçin TANIK ÖZTÜRK | BT |
| Drawing | 18 | 09:05 | 8 | 98 | 178 | 2 | Korhan YELKENCİ | SF |
| Drawing | 21 | 07:10 | 13 | 88 | 218 | 3 | Ergün EGE | EE |
| Drawing | 22 | 06:40 | 16 | 178 | 338 | 3 | Korhan YELKENCİ | KY |
| Drawing | 24 | 07:50 | 14 | 117 | 257 | 3 | Burçin TANIK ÖZTÜRK | BT |
| Drawing | 25 | 07:15 | 11 | 92 | 202 | 2 | Süleyman FİŞEK | SF |
| Drawing | 26 | 08:40 | 9 | 27 | 117 | 3 | Ergün EGE | EE |
| Monthly Mean of Relative Number: 133.32 [22 observations; 73%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Korhan Yelkenci KY | 9 | 07:52 | 07:49 [7] |
| Ergün Ege EE | 6 | 07:41 | 07:41 [6] |
| Burçin Tanık BT | 4 | 08:28 | 08:28 [4] |
| Süleyman Fişek SF | 3 | 07:05 | 07:00 [2] |
| 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 (2024): 74 / 121 (61%)
Days without observation: 47
Consecutive days: 0 (longest 16)