The YouTube recording of the class is at https://youtu.be/PqYobP14o5k.

0:00:00 to 0:17:30     pre-class.

0:17:30 to 0:25:00     questions from last week's readings/study: right-ascention and sidereal hour angle.

0:25:00 to 1:15:10     plotting sights 1 and 2 from last week to get a fix.

1:15:10 to 1:19:10     break.

1:19:10 to 1:50:05     how to adjust sextants to remove 3 kinds of error.

1:50:05 to 1:59:25     sight reduction of week 2, sight 1.

1:59:25 to 2:05:50     the cocked hat; ellipse of uncertainty; most probable position.

2:05:50 to 3:10:40     back to sight reduction.

3:10:40 to 3:19:40     break

3:19:40 to 3:39:00     sight reduction.

3:39:00 to end     technical difficulties make plotting the sight difficult.