Astro ArenaIOAA
Main
Skip to main content
Astro ArenaOBSERVING TASKS
IOAA
•••
← All games

IOAA · STAR-CHART PRACTICE

Planets among stars

YOUR PRACTICE ON THIS DEVICE—

Customise the task

The range applies to the planets in the task. Lower magnitudes mean brighter objects. Their number and brightness depend on the date; choose a new random task to try another date.

Chart display

Click or tap the chart. Keyboard: arrow keys move the crosshair, Enter marks a position. Shift + arrows for precise movement.