IOAA 2022, Нощни наблюдения — Задача 4. O4
International Olympiad on Astronomy and Astrophysics 2022 Georgia — Observational Competition · 14 т.
Telescope Information
| Telescope Information | |
|---|---|
| Eyepiece’s field of view | |
| Eyepiece’s focal length | 25 |
Условие
Time available: 4 min
Cyg (Albireo) is a visual binary star. You will be shown a picture a this binary system from one of the windows of the building nearby. Aim the telescope at this picture, and estimate the acute angle between horizon and the line going through systems’ stars.
Отговори
39.5-47.5°
Full marks for an angle in the range 39.5–47.5°.
Решение
One method is to follow the line with a telescope to the end of the building and remember the point. After that students could use rulers to measure and coordinate differences at an arm’s length and calculate the angle.
Full markings will be given for the range 39.5-47.5
Оригинал в Архива: Nighttime Obs.pdf · официални решения: Observations Solutions.pdf