210. On 20 February your 0530 ZT DR position is LAT 24° 15.0' N, LONG 137° 33.0' W. You are on course 033° T at a speed of 18 knots. You observed 3 celestial bodies. Determine the latitude and longitude of your 0600 running fix. Body Zone Time GHA Observed Declination Regulus 0540 218°35.9' 13°02.2' N 12°03.5' Antares 0552 126°23.5' 38°04.1' S 26°23.3' Vega 0600 96°23.2' 52°33.5' N 38°45.8'

Okay, this is a very detailed and thorough explanation of a celestial navigation problem. Here's a breakdown of its strengths, potential areas for improvement, and a summary of the key takeaways. Strengths:** **Comprehensive Explanation:** The explanation walks through every step of the process, from DR calculations to sight reduction and LOP plotting. It's excellent for someone learning the technique. **Clear Logic:** The reasoning behind each step is clearly articulated. The explanation doesn't just state *what* to do, but *why*. **Detailed Calculations:** The inclusion of the calculations for advancing LOPs (distance, direction) is very helpful. **Why Other Answers Are Wrong:** This section is crucial. It doesn't just state the correct answer but explains *why* the other options are incorrect, reinforcing understanding. The use of approximate mile calculations to compare the fix to the DR is a great touch. **Takeaway Summary:** The final takeaway summarizes the core concept of a running fix.