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Old 17-05-2014, 04:41 PM
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alexch (Alex)
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Moon/Saturn Occultation Video

Hi All,

I finished editing the Moon/Saturn occultation video and it is up on Vimeo:

http://vimeo.com/95528617

There was high thin cloud that spoiled the contrast somewhat and the seeing was pretty average.

I shot RAW for both stills and video and worked out that I can overexpose the Moon by 2 f/stops and do a bit of tone mapping to get features on both Moon and Saturn.

Done with two telescopes:
1) Full disk of the Moon with Stellarvue SVT80 f/6 + 2x teleconverter, Sony NEX5N 1 FPS shooting, 50x real speed playback
2) 22" SDM f/3.6 with Canon 6D in 5x crop RAW video mode (Magic Lantern). 12.5 FPS video recording, 8x real speed playback

A video frame is attached (downsized from 1920x1080 to fit into 250KB limit)
Cheers,
Alex
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Last edited by alexch; 17-05-2014 at 04:53 PM.
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Old 17-05-2014, 06:19 PM
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CapturingTheNight (Greg)
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So awesome Alex. One of the best, if not the best, video of this event I have seen yet.
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Old 17-05-2014, 06:30 PM
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great work there
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Old 17-05-2014, 06:33 PM
noswonky (Peter)
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Great images and very nicely edited.
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Old 17-05-2014, 07:47 PM
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Excellent, best I've seen.
Allan
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Old 17-05-2014, 08:16 PM
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Absolutely stunning, well done.
I attempted an animation as well, I'm still working on it, but after seeing this mine pales.
Gary
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Old 17-05-2014, 08:35 PM
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Ab.Fab, Alex.

A really excellent result.

Thank you.
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Old 17-05-2014, 08:46 PM
ozalba (Duncan)
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Quote:
Originally Posted by alexch View Post
I shot RAW for both stills and video and worked out that I can overexpose the Moon by 2 f/stops and do a bit of tone mapping to get features on both Moon and Saturn.
I'd say that worked pretty well. I've been processing to a fairly dark lunar image with bracketed exposures, but I think this result gives a more natural impression of the brightness difference between the two bodies, while giving us plenty of lunar detail to satisfy.

*where's the emoticon for gold star?*
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Old 17-05-2014, 09:48 PM
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RB (Andrew)
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Alex that's stunning.

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Old 18-05-2014, 10:14 AM
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Simply brilliant!
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Old 18-05-2014, 10:31 AM
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multiweb (Marc)
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Superb capture Alex. I was surprised to see colors in your video capture.
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Old 19-05-2014, 07:34 PM
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That was a superb video Alex.
I hope to be able to see my first Saturn occulation in August 2014.
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Old 19-05-2014, 07:38 PM
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Excellent video Alex. One of the best I've seen.
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Old 19-05-2014, 08:17 PM
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Very nice Alex!

Separately, Magic Lantern on 6D? Is that an Alpha, very early days build?
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Old 20-05-2014, 09:08 AM
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amazing work alex!
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  #16  
Old 20-05-2014, 02:44 PM
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Thanks for posting the image and link. Your video is amazing!
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  #17  
Old 22-05-2014, 12:13 AM
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alexch (Alex)
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Thanks guys for your kind comments - much appreciated!
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Old 22-05-2014, 12:14 AM
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Thanks!

No, it is not alpha any more and is part of the nightly builds on magilantern.fm
There are few glitches when displaying the RAW video but nothing major.

Quote:
Originally Posted by Logieberra View Post
Very nice Alex!

Separately, Magic Lantern on 6D? Is that an Alpha, very early days build?
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Old 26-05-2014, 07:19 AM
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iceman (Mike)
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That's brilliant Alex! So well done!
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  #20  
Old 28-05-2014, 02:17 PM
starrylady (Lesa)
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Permission to use

Hi Alex,
What a fantastic job you did with this movie! Can I have permission to use it in my lectures on Princess Cruises please? (email to starrylady@hotmail.com if you would, ta).
Cheers
Lesa
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