Комета | 67P/Churyumov-Gerasimenko
|
Пользователь | AHale |
Имя пользователя | |
Время наблюдения (UT) | 2015-07-18 10:33:00 |
Инструмент | 41-cm reflector |
Место наблюдения | Cloudcroft |
Звездный каталог | NH - Северный полярный ряд (Henden и Kaitchuck, 1982) |
Метод | M - Метод Морриса |
Блеск | 13.6 |
Диаметр комы(') | 0.6 |
Длина хвоста | Не задан |
Степень конденсации комы | 4.5 |
Positional angle of tail | Не задан |
Шкала Бортля | Не задан |
Апертура | 40.64 |
Focal length (mm) | 1828.8 |
Оптическая схема инструмента | L - Рефлектор системы Ньютона |
Увеличение | 228.6 |
Поле зрения (°) | 0 |
SQM-L в зените | |
Зона засветки | |
Lm | |
Комментарий | July is normally a pretty cloudy time of year in these parts — summer monsoon — but lately it's been cloudy even by normal July standards. Last night was only the third clear night this month (and one of those was the 1st — right at full moon), and even this morning I had to contend with occasional clouds moving through. I did manage to get a visual observation of Comet 67P; it was faint, but not difficult to see in the 41 cm scope. I detected clear motion over an interval of half an hour. |
Morris Format | 2015 Jul 18.44 UT: m1=13.6, Dia.=0.6', DC=4.5 ...40.64-cm L (228.6x) ...Alan Hale (Cloudcroft, U.S.A.) |