On 22 February your 1857 DR position is LAT 23°46.0'S, LONG 93°16.5'E. You observe an unidentified star bearing 126°T at an observed altitude (Ho) of 40°21.5'. The chronometer reads 01h 00m 35s and is 03m 25s fast. What star did you observe?

Question

On 22 February your 1857 DR position is LAT 23&deg;46.0'S, LONG 93&deg;16.5'E. You observe an unidentified star bearing 126&deg;T at an observed altitude (Ho) of 40&deg;21.5'. The chronometer reads 01h 00m 35s and is 03m 25s fast. What star did you observe?

Accepted Answer

Option D: Suhail. Star identification involves determining GMT from chronometer, calculating GHA Aries, adding SHA to find local hour angle, and comparing computed intercept and azimuth against observed values to positively identify Suhail.

On 22 February your 1857 DR position is LAT 23&deg;46.0'S, LONG 93&deg;16.5'E. You observe an unidentified star bearing 126&deg;T at an observed altitude (Ho) of 40&deg;21.5'. The chronometer reads 01h 00m 35s and is 03m 25s fast. What star did you observe?

On 22 February your 1857 DR position is LAT 23°46.0'S, LONG 93°16.5'E. You observe an unidentified star bearing 126°T at an observed altitude (Ho) of 40°21.5'. The chronometer reads 01h 00m 35s and is 03m 25s fast. What star did you observe?