Monthly Sunspot Observation Report
February 2013 Sunspot classification and coordinates →
68.00
Monthly mean R
16 / 28
Observation days (57%)
155
Maximum R
12
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 | 07:50 | 6 | 11 | 71 | 3 | Sinan ALİŞ | SA |
| Drawing | 02 | 08:20 | 5 | 29 | 79 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 03 | 10:15 | 6 | 25 | 85 | 2 | Sinan ALİŞ | SA |
| Drawing | 04 | 13:15 | 3 | 13 | 43 | 3 | H.ÇAKMAK-O.G. | OG0 |
| Drawing | 05 | 08:52 | 3 | 16 | 46 | 4 | Özgecan ÖNAL | ÖÖ |
| Drawing | 06 | 09:30 | 3 | 12 | 42 | 3 | Sinan ALİŞ | BC |
| Drawing | 07 | 08:10 | 5 | 22 | 72 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 12 | 09:20 | 5 | 21 | 71 | 3 | Özgecan ÖNAL | ÖÖ |
| Drawing | 13 | 10:40 | 5 | 13 | 63 | 3 | H.ÇAKMAK-B.C. | BC |
| Drawing | 14 | 09:20 | 2 | 4 | 24 | 2 | Orhan GÜNEŞ | OG0 |
| Drawing | 18 | 08:50 | 8 | 42 | 122 | 3 | Asuman GÜLTEKİN | AG0 |
| Drawing | 19 | 09:10 | 6 | 95 | 155 | 4 | Özgecan ÖNAL | ÖÖ |
| Drawing | 21 | 09:45 | 5 | 40 | 90 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 23 | 13:20 | 3 | 4 | 34 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 24 | 09:30 | 3 | 5 | 35 | 3 | Sinan ALİŞ | SA |
| Drawing | 25 | 07:30 | 4 | 16 | 56 | 3 | Asuman GÜLTEKİN | AG0 |
| Monthly Mean of Relative Number: 68.00 [16 observations; 57%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 6 | 10:35 | 09:54 [4] |
| Sinan Aliş SA | 4 | 09:16 | 09:12 [3] |
| Ozgecan Önal Taş ÖÖ | 3 | 09:07 | 09:07 [3] |
| Asuman Gültekin Annak AG0 | 2 | 08:10 | 08:10 [2] |
| Orhan Güneş OG0 | 1 | 09:20 | 09:20 [1] |
| Month total | 16 – 12 | 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 (2013): 38 / 59 (64%)
Days without observation: 21
Consecutive days: 0 (longest 9)