Homestar Planetarium Disc - Aurora Borealis & Scenic Disc Taiga Dew Shield which has been extended to

which has been extended to 270mm also holds large telescopes securely

eliminating the need for field rotation

Legs Tube Diameter: 18

the play is largely eliminated - you don't have to readjust even when there are large temperature differences

Rotating star map

Homestar Planetarium Disc - Aurora Borealis & Scenic Disc Taiga Dew Shield which has been extended toThis optional additional disc adds a new dimension to your Homestar Planetarium and features a stunning panoramic view of Aurora Borealis appearing in the night sky. Aurora Borealis is commonly visible in the northern artic skies as radiation from the Sun hits our atmosphere and creates a magical plasma effect. This disc is designed for use with the Homestar Planetarium.