Monthly Sunspot Observation Report
April 2007 Sunspot classification and coordinates →
4.56
Monthly mean R
25 / 30
Observation days (83%)
32
Maximum R
5
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 | 07:30 | 0 | 0 | 0 | 4 | Sinan ALİŞ | |
| Drawing | 03 | 10:30 | 0 | 0 | 0 | 3 | Mevlana BAşAL | |
| Drawing | 04 | 07:00 | 0 | 0 | 0 | 3 | Z. Funda BOSTANCI | |
| Drawing | 05 | 12:35 | 0 | 0 | 0 | 3 | Tolga DİNÇER | |
| Drawing | 06 | 07:25 | 0 | 0 | 0 | 3 | İpek ÇAY H. | |
| Drawing | 08 | 08:05 | 0 | 0 | 0 | 5 | İpek ÇAY H. | |
| Drawing | 09 | 11:15 | 0 | 0 | 0 | 3 | Sinan ALİŞ | |
| Drawing | 10 | 08:00 | 0 | 0 | 0 | 3 | İpek ÇAY H. | |
| Drawing | 12 | 07:30 | 0 | 0 | 0 | 3 | Tolga DİNÇER | |
| Drawing | 13 | 10:55 | 0 | 0 | 0 | 3 | Mevlana BAşAL | |
| Drawing | 14 | 09:20 | 0 | 0 | 0 | 4 | Sinan ALİŞ | |
| Drawing | 15 | 08:15 | 0 | 0 | 0 | 2 | Z. Funda BOSTANCI | |
| Drawing | 16 | 13:00 | 0 | 0 | 0 | 3 | Sinan ALİŞ | |
| Drawing | 17 | 05:30 | 0 | 0 | 0 | 4 | Mevlana BAşAL | |
| Drawing | 18 | 07:05 | 0 | 0 | 0 | 3 | Z. Funda BOSTANCI | |
| Drawing | 20 | 07:10 | 0 | 0 | 0 | 4 | İpek ÇAY H. | |
| Drawing | 21 | 08:30 | 0 | 0 | 0 | 4 | Mevlana BAşAL | |
| Drawing | 22 | 11:00 | 0 | 0 | 0 | 3 | Tolga DİNÇER | |
| Drawing | 24 | 07:10 | 0 | 0 | 0 | 4 | İpek ÇAY H. | |
| Drawing | 25 | 07:05 | 1 | 1 | 11 | 3 | Z. Funda BOSTANCI | |
| Drawing | 26 | 07:00 | 1 | 3 | 13 | 3 | Tolga DİNÇER | |
| Drawing | 27 | 06:45 | 1 | 8 | 18 | 3 | Mevlana BAşAL | |
| Drawing | 28 | 05:50 | 1 | 12 | 22 | 3 | Sinan ALİŞ | |
| Drawing | 29 | 08:00 | 1 | 8 | 18 | 3 | İpek ÇAY H. | |
| Drawing | 30 | 08:15 | 2 | 12 | 32 | 3 | İpek ÇAY H. | |
| Monthly Mean of Relative Number: 4.56 [25 observations; 83%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Ipek Hamami Cay ıH | 7 | 07:44 | --:-- |
| Sinan Aliş SA | 5 | 09:23 | --:-- |
| Mevlana Başal MB | 5 | 08:26 | --:-- |
| Zahide Funda Bostancı Güver ZFB | 4 | 07:21 | --:-- |
| Tolga Dinçer TD | 4 | 09:31 | --:-- |
| Month total | 25 – 5 | 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 (2007): 79 / 120 (66%)
Days without observation: 41
Consecutive days: 7 (longest 7)