Monthly Sunspot Observation Report
February 2015 Sunspot classification and coordinates →
83.00
Monthly mean R
14 / 28
Observation days (50%)
184
Maximum R
14
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 | 09:25 | 8 | 28 | 108 | 2 | Sinan ALİŞ | SA |
| Drawing | 03 | 13:15 | 4 | 75 | 115 | 3 | Özgecan ÖNALTAŞ | TY0 |
| Drawing | 04 | 08:10 | 5 | 55 | 105 | 3 | Sinan ALİŞ | SA |
| Drawing | 05 | 06:45 | 5 | 67 | 117 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 06 | 10:48 | 8 | 104 | 184 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 08 | 09:50 | 5 | 53 | 103 | 2 | Talar YONTAN | TY0 |
| Drawing | 17 | 07:35 | 4 | 9 | 49 | 3 | H.ÇAKMAK=T.Y. | TY0 |
| Drawing | 18 | 09:40 | 7 | 21 | 91 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 21 | 09:10 | 5 | 25 | 75 | 3 | Sinan ALİŞ | SA |
| Drawing | 22 | 07:30 | 5 | 13 | 63 | 4 | Asuman GÜLTEKİN | AG0 |
| Drawing | 24 | 07:40 | 4 | 30 | 70 | 3 | Talar YONTAN | TY0 |
| Drawing | 25 | 08:15 | 1 | 9 | 19 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 26 | 07:00 | 1 | 14 | 24 | 4 | Asuman GÜLTEKİN | AG0 |
| Drawing | 27 | 09:40 | 2 | 19 | 39 | 2 | Sinan ALİŞ | SA |
| Monthly Mean of Relative Number: 83.00 [14 observations; 50%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Sinan Aliş SA | 4 | 09:06 | 09:06 [4] |
| Asuman Gültekin Annak AG0 | 3 | 07:05 | 07:05 [3] |
| Ozgecan Önal Taş ÖÖ | 2 | 12:02 | 10:48 [1] |
| Talar Yontan TY0 | 2 | 08:45 | 08:45 [2] |
| Başar Coşkunoğlu BC | 2 | 08:57 | 08:57 [2] |
| Hikmet Çakmak HÇ | 1 | 07:35 | --:-- |
| Month total | 14 – 14 | 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 (2015): 33 / 59 (56%)
Days without observation: 26
Consecutive days: 4 (longest 9)