Explore Scientific Tirion Double-Sided Multi-Latitude Planisphere - ES-TPS018 Celestron TrailSeeker Binoculars light transmission can be varied

light transmission can be varied between about 2% and 40%

Solar and Lunar Number of Auxiliary ports (for hand control and accessories) 4 Autoguide port Yes USB Port Yes Software PWI Telescope Control Software Included Items: CGX-L Equatorial Head CGX-L Tripod Accessory Tray 1 x 22 lb Counterweight NexStar+ Hand Control DC Power Cable (plugs into cigarette lighter socket) 8 mm Allen Wrench (contained in rear carry handle)

The optional 8408 hand controller allows you to check the Pole Star position for the polar alignment

5" Stainless Steel  Hard case: No

Explore Scientific Tirion Double-Sided Multi-Latitude Planisphere - ES-TPS018 Celestron TrailSeeker Binoculars light transmission can be variedExplore Scientific Tirion Double Sided Multi Latitude Planisphere The Tirion Double Sided Planisphere from Explore Scientific can help guide your explorations of the sky throughout the year. Created by noted celestial cartographer Wil Tirion, this planisphere works over a vast range of Northern hemisphere latitudes (0 to 60 north). It uses a double sided design to minimize distortion. It is made of durable plastic and the celestial dials are secured