Check the listing for details. Sky-Watcher Star Adventurer Polar Scope Illuminator Glow in the dark. Condition: New. Listed at 9.50 USD. Sky-Watcher Star Adventurer Polar Scope Illuminator Glow in the dark. Glow in the dark Sky-Watcher Star Adventurer Polar Scope Illuminator (Star Adventurer NOT included). This makes using the polar scope and aligning easier. Recharges with black light for a few seconds and it will glow to illuminate the cross hairs in the polar scope long enough to align with the stars. The green glow is easy on for the eyes to adjust in the dark. The piece can stay in the mount and recharged for realignment throughout the night. Sleek smooth design. It has a nice small string to loop on a screw to prevent loss. The sleek design allows for the glow in the dark to go into the scope for better light and the piece can stay in place for easy adjustment as the night goes on. To illuminate again, shine the black light at it for a moment. Skywatcher Star Adventurer Polar Scope tool.