IAO 2021, Наблюдения — Задача 11. Who is who?

International Remote Astronomy Olympiad — Round on Maps and Images

Условие

You are provided with a sheet where images of 12 astronomical objects are shown. Identify these objects marking the correct answer among the listed four. Multiple choose or corrections are not allowed.

Original four-by-three sheet containing all twelve astronomical photographs and their four printed choices each.
Round on Maps and Images. Images for problem 11

[Transcription note: the row and column positions below identify the photographs in the original sheet. All choices are reproduced in their printed order.]

Image positionPrinted choices
Row 1, leftHyperion; Comet P/1; Mimas; Enceladus
Row 1, centreHalley comet; Comet P/47; Comet P/67; Hale-Bopp comet
Row 1, rightMoon (far side); Ganymede; Mercury; Callisto
Row 2, leftCalypso; Deimos; Phobos; Amalthea
Row 2, centreMiranda; Ariel; Umbriel; Titania
Row 2, rightNereid; Mimas; Triton; Pluto
Row 3, leftM1; M31; M45; M101
Row 3, centreM1; M31; M45; M101
Row 3, rightM1; M45; M31; M101
Row 4, leftM1; M31; M45; M101
Row 4, centreComet Tempel 1; Comet P/67; Comet Tempel 2; Comet P/47
Row 4, rightOrcus; Vesta; Charon; Pluto

Решение

Внимание: Непълно решение

В архива няма официално решение на тази задача.

Оригинал в Архива: obs-EN.pdf