ASTRO ARENA · ENDURANCE
One marathon.
The whole sky.
Every object appears exactly once. After the final answer, you get a training summary and the selected marathon’s leaderboard.
POINTS FOR EACH OBJECT
max((100 − 50črte − 5 × s) × ½poskusi−1, 0)Each item score is rounded to the nearest whole point. If you do not guess correctly, you earn 0.TEREN / REAL SKY
Observing Messier marathon
A separate offline telescope guide: 110 objects, photographic DSS2 maps, published star-hop routes, and a field log.
01 / CHOOSE A MARATHON