David Chandler Cardboard Planisphere Star Charts

David Chandler Cardboard Planisphere Star ChartsCardboard versions of The Night Sky planisphere feature the same low distortion, two sided map projection as our plastic versions. The overall dimensions are 9"h x 8. 5" wide and feature a full sized 8" diameter map. The cardboard version is priced lower, but still exhibits superior durability. We have heard from owners who have been using the same cardboard version for twenty years! Some users tell us that they prefer the square dimensions and the

and other Devices

2008 ISBN-10: 079451524X ISBN-13: 978-0794515249 Item Weight: 5

space themed

The GEM28A mount has an integrated electronic polar finder scope known as the iPolar

Easy Handling

you may need to add additional counterweights to off-set the weight

4lb Barrel Body

OPTICAL TUBE INFO: Optical Design: Refractor Aperture: 150mm (6") Focal Length: 1200mm (47") Focal Ratio: f/8 Focal Length of Eyepiece 1: 20mm (

73") Secondary Mirror Obstruction by Diameter: 34% Secondary Mirror Obstruction by Area: 11% Optical Coatings: Glass mirrors coated with aluminum and SiO2 Optical Tube Length: 610mm (24") Optical Tube Diameter: 160

The Advanced VX is the smallest of Celestron's German equatorial mounts

2 available autoguider ports for optimum cable management

02 Lens Coatings: XLT (Fully Multi-Coated) Prism Glass (Type): BaK-4 Prism Coatings: BaK-4 Weight: 54