IOAA 2017, Наблюдения, дневен тур — Задача 1. Naked eye observation from real sky with panoramic 360-degrees image

Observational Examination (Day)

Указания
  1. Do not open the exam envelop yourself.
  2. This part of the exam consists of 7* problems located in separate exam stations.
  3. You have 5 minutes to complete each problem.
  4. After “out of time” is signaled, stop all actions and remain at the same station.
  5. After “next station” is signaled, proceed to the next exam station and hand the exam envelope to the station’s proctor.
  6. Use only blue pen to mark into the answer sheets provided. Any answers written in the answer sheet at the end of timer is considered final and will be graded towards the final score.

* Number of problems will be reduced to 5 if night observation was successful

Условие

Instruction: Estimate the LST (Local Sidereal Time) at the time the image was taken, rounded to nearest hour

Included:

  • Panoramic 360-degrees image of the sky at night at an unknown location
  • Computer screen
  • Keypad to pan around the image
  • Coordinates of bright stars
NameBayer DesignationDeclination (Dec)Right Ascension (RA)
Rigil Kentaurusα Cen–60° 50′ 02.3737″14h 39m 36.5s
Arcturusα Boo+19° 10′ 56″14h 15m 39.7s
Vegaα Lyr+38° 47′ 01″18h 36m 56.3s
Capellaα Aur+45° 59′ 53″05h 16m 41.4s
Altairα Aql+08° 52′ 06″19h 50m 47.0s
Aldebaranα Tau+16° 30′ 33″04h 35m 55.2s
Antaresα Sco−26° 25′ 55″16h 29m 24.5s
Spicaα Vir−11° 09′ 41″13h 25m 11.6s
Denebα Cyg+45° 16′ 49″20h 41m 25.9s
Dubheα UMa+61° 45′ 04″11h 03m 43.7s
Polarisα UMi+89° 15′ 51″02h 31m 49.1s
Alpheratzα And+29° 05′ 26″00h 08m 23.3s
Schedarα Cas+56° 32′ 14″00h 40m 30.4s

LST of the image:

Решение

Внимание: Непълно решение

В архива няма официално решение на тази задача.


Оригинал в Архива: Observation_Day.pdf