Bushnell 78-7830 - Manual (Page 36)

36.
NORTHSTAR COMPUTERIZED STAR LOCATOR SPECIFICATIONS
Dimensions 3.5 X 4.7 X 1.8
Weight 10 oz including 9V battery
Operating Temperature 10ºC à + 50ºC
Telescope Mounting Altitude / Azimuth
Display Dot Matrix LCD, 2x16 character Alphanumeric
Display Backlight Blue-Green Electroluminescent, 5-brightness levels
Display Resolution 1m right ascension, 10’ declination 0.1º
Display Modes ALIGN STAR, ALIGN EARTH, ALIGN OBJECT, TELESCOPE
EXPLORE, SKY TOUR, IDENTIFY
Database 20K Object Database
Complete Messier Catalog – 110 Objects
Complete NGC catalog – 7840 Objects
Complete IC Catalog – 5386 Objects
Selections from ESO Catalog – 1228
Selections from UGC catalog – 2340
Selection from small non-stellar catalogs – 2050 Objects
Selected star, double stars, variable stars, and interesting stars – 837
Objects Alignment start list – 30 Stars
Best of lists – 150 objects
Planet, Moon, Mercury, Venus, Jupiter, Saturn, Uranus, Neptune, Pluto
Descriptions include magnitude, constellation, size / separation / type
Set-up Two Methods:
Earth-Based Alignment, using time North and location
Fast two-star alignment, No input for latitude, longitude, date,
or time required
Coordinate Epoch AD 2000
Sensing Method Integral Encoders
Encoder Resolution 9216 steps, 0.02 resolution
Maximum Slew Rate 180º per second
Angle Representation 16 bits
Vector Representation 48 bits
Sidereal Clock Accuracy 0.01%
Power Requirements 5.1 to 14 Volts DC. 25mA, display fully-dimmed, typical. 35mA, display
maximum brightness, typical. Reverse Polarity Protected.
Battery Life 20 hours with display fully dimmed