Total Lunar Eclipse Reminder

Lunar Eclipse 28Aug2007
Total lunar eclipse August 28, 2007

This evening will feature a sunset total lunar eclipse visible across the islands. The eclipsed Moon will rise just as the Sun sets on the opposite horizon.

The eclipse will be just underway as the Moon rises on Hawaii island, with the Moon rising at almost exactly 18:00HST and the total phase of the eclipse starting 41 minutes later. Maximum will occur at 19:12HST with the Moon 14° above the horizon.

January 20, 2019 Total Lunar Eclipse
Event ContactUT HST
Penumbral BeginsP1 02:36:2816:36:28
Partial Begins U1 03:33:5517:33:55
Total Begins U2 04:41:1818:41:18
Greatest EclipseMax05:12:1819:12:18
Total Ends U3 05:43:1819:43:18
Partial Ends U4 06:50:4220:50:42
Penumbral Ends P4 07:48:0521:48:05
*Data from Fred Espenak’s eclipse website

An easy to view evening eclipse, no reason not to get out and view this one, no need for an alarm clock!

Make it Roll

A drone does not bank into a turn like a traditional aircraft, it remains level as it spins in the air to change direction. Even if the drone banks slightly to counteract the wind the camera gimbal keeps the video level.

A cluster of communications antennas along Mauna Kea Access Road in the sunset
A cluster of communications antennas along Mauna Kea Access Road in the sunset

The resulting video from the drone seems flat to me, a sense of something wrong, I expect a little roll while turning.  I find myself struggling with the resulting imagery, what do I do with this?

It is not only aircraft that bank into a hard turn, even an automobile does this on a properly designed roadway.  If the car does not truly bank, we passengers naturally lean into the turn to counteract the centrifugal force.  We expect to lean into a turn, while a drone does not.

How do I restore that roll in the drone video?  

Continue reading “Make it Roll”