Advantages: 1  Finding a guide star is very easy and is completely independent of the main scope. 2  You get more freedom in the selection of a guidestar and the ability to pick a guidestar that is either quite a ways off axis or right in the middle of the field. You can often pick a guide star that is fairly bright.
The time difference between United Kingdom and United States with 8 time zones (Pacific, Mountain, Center, East, Atlantic, Alaska, Samoa, Aleutian Hawaii) is: 1  United Kingdom has 8 hours more than United States Pacific. â¢ 2  In United Kingdom is 13:24 Thursday, April 13, 2017.
Flying time from San Francisco, CA to Hawaii. The total flight duration from San Francisco, CA to Hawaii is 4 hours, 53 minutes. This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year, including routes like SFO to HNL.our flight direction from San Francisco, CA to Hawaii is West (-109 degrees from North). The flight time calculator measures the average flight duration between points. It uses the great circle formula to compute the travel mileage.