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.
Search for a city's time difference: Find the difference in time between your location and locations around the world... Suggestions: Redmond | Seattle | Everett | Tacoma | Shelton. Add or subtract the given number of hours to/from Boston time to get the time in these cities. Note: Time zone differences will vary during the year, as different countries observe DST during different periods. Therefore, you should usually use The World Clock instead.