Search found 1287 matches

by rwilkinson
Sat Jul 20, 2019 1:20 pm
Forum: Physics, Space Science and Theories
Topic: "13 Minutes to the Moon"
Replies: 10
Views: 728

Re: "13 Minutes to the Moon"

The last episode is a live forum recorded at Rice University, Texas (the site of President Kennedy's historic speech) : https://www.bbc.co.uk/programmes/w3csz534 This includes Apollo 7 astronaut Walt Cunningham and Mission Controllers Gerry Griffin and John Aaron giving their recollections of the da...
by rwilkinson
Fri Jul 19, 2019 10:40 am
Forum: Club events
Topic: 2nd July - an evening of rockets!
Replies: 11
Views: 550

Re: 2nd July - an evening of rockets!

The night before our launches, I'd met up with Gary Hawkins, an old friend on holiday from San Diego (you may recall that a couple of years ago he wrote an article for our newsletter about his experiences with an 8" Dobsonian in California). I'd told him about our planned rocket-night, and then sent...
by rwilkinson
Mon Jul 15, 2019 6:55 pm
Forum: Physics, Space Science and Theories
Topic: "13 Minutes to the Moon"
Replies: 10
Views: 728

Re: "13 Minutes to the Moon"

In Episode 10 we hear an annotated version (with Kevin Fong's detailed explanations) of the voice recordings of the descent and landing: https://www.bbc.co.uk/programmes/p07grjp4 And this includes the root-cause of the 1200-series Program Alarms : the astronauts having turned on their Rendezvous Rad...
by rwilkinson
Thu Jul 11, 2019 10:14 am
Forum: Club events
Topic: 2nd July - an evening of rockets!
Replies: 11
Views: 550

Re: 2nd July - an evening of rockets!

I'll be including a number of Darren's pictures in the next edition of The Bolton Astronomer, published in September.
Meanwhile, Carl has assembled Cheryl's video-clips into this "highlights reel":
https://www.youtube.com/watch?v=5JX8jlG1OA4
by rwilkinson
Tue Jul 09, 2019 7:56 am
Forum: Physics, Space Science and Theories
Topic: "13 Minutes to the Moon"
Replies: 10
Views: 728

Re: "13 Minutes to the Moon"

Episode 9 covers the landing itself: https://www.bbc.co.uk/sounds/play/w3csz4ds I was interested to hear about the Landing-Point Designator which Armstrong used to visualise his landing site whilst in flight. It was merely a graduated scale etched onto his window, past which he could sight the terra...
by rwilkinson
Mon Jul 01, 2019 1:39 pm
Forum: Physics, Space Science and Theories
Topic: "13 Minutes to the Moon"
Replies: 10
Views: 728

Re: "13 Minutes to the Moon"

Episode 8 takes us through the "Powered Descent" phase of the flight: https://www.bbc.co.uk/sounds/play/p07fgvq2 As well as the audio-stream from NASA's archives we also hear interviews with Flight Director Gene Kranz and his team from Mission Control , particularly the Capsule Communicator Charlie ...
by rwilkinson
Mon Jul 01, 2019 7:13 am
Forum: Club events
Topic: 2nd July - an evening of rockets!
Replies: 11
Views: 550

Re: 2nd July - an evening of rockets!

And finally a homage to the Titan rockets which launched the ten manned Gemini missions in 1965-66: Gemini8.jpg NASA used these missions to practice the orbital rendezvous and docking procedures which would be used in Apollo . And they gave the astronauts vital space experience before going to the M...
by rwilkinson
Tue Jun 25, 2019 8:43 am
Forum: Club events
Topic: 2nd July - an evening of rockets!
Replies: 11
Views: 550

Re: 2nd July - an evening of rockets!

And here's one which recalls a time when Britain had its own rocket programme - the BLACK ARROW which launched our Prospero satellite in 1971:
BlackArrow.jpg
BlackArrow.jpg (143.27 KiB) Viewed 372 times
by rwilkinson
Mon Jun 24, 2019 10:40 am
Forum: Physics, Space Science and Theories
Topic: "13 Minutes to the Moon"
Replies: 10
Views: 728

Re: "13 Minutes to the Moon"

Episode 7 is all about the "third man": Apollo 11 's Command Module Pilot Mike Collins : https://www.bbc.co.uk/sounds/play/w3csz4dq He says that his participation in the mission was "10% shrewd judgement and 90% luck" - and only got into NASA's astronaut selection at the second attempt. The programm...
by rwilkinson
Fri Jun 21, 2019 1:30 pm
Forum: Astrophotography
Topic: Dr. Robin Glover on digital imaging
Replies: 0
Views: 142

Dr. Robin Glover on digital imaging

At the recent Practical Astronomy Show 2019 , Dr. Robin Glover (a physicist and software developer who created the SharpCap program) gave a 50-minute talk about the niceties of long-exposure digital imaging, particularly with modern CMOS microlens sensors: https://www.youtube.com/watch?v=3RH93UvP358...