The off-axis guider allows you to guide your telescope through the same optics that are taking the picture. This eliminates any possibility of guiding error if you carefully keep the guide star centered under the eyepiece crosshairs. But careful attention must be paid to your guiding.
Time difference between Boston and Shanghai is 12 Hours. Current local time in Boston is 2017-04-13, 22:31 EDT and time in Shanghai is 2017-04-14, 10:31 CST. Please fill out the fields below to calculate distance. Search by IATA airport code, city or airport name.
Travel considerations for a journey between Boston and Ipswich. By Road: If you were in a road vehicle maintaining an average speed of 40mph (64 kmh), it would take you approximately 2.47 hours to travel from Boston to Ipswich for an estimated driving distance of 98.82 miles (159 kms) .lick here and use the Boston radius tool. The approx distance between Boston and Ipswich in a straight line is 81 miles or 130.33 KMS See the maps and links below for additional information related to driving distances, fuel costs and estimated journey times for this trip from Boston to Ipswich.