An attempt to film Jupiter (5D2 + 12.8 meter Sigmonster)

liquidstone · Nov 8, 2009

I've been wanting to try this for some time. Clear skies over Manila coincided with too much time in my hands early this evening. So I stacked most of my TCs on my favorite long zoom and tried to locate Jupiter in the viewfinder. Not an easy thing to do with 4800 mm - 12800 mm angle of view, and with the aperture at f/90.5 (wide open). I did stop down to f/128 to "improve IQ."

Here's a couple of short clips of Jupiter as seen from Metro Manila, Philippines, on November 8, 2009 (19:30 - 20:00 local time).

Shooting info:

First clip - 5D2 + Sigmonster + Canon 2x/Sigma 2x/Tamron 2x TCs, 6400 mm, f/64, ISO 6400, 1/30 sec.

Second clip - 5D2 + Sigmonster + Canon 2x/Sigma 2x/Tamron 2x TCs + Sigma 1.4x/Tamron 1.4x TCs, 12800 mm, f/128, ISO 12800, 1/30 sec.

For both clips - Manfrotto 475B/3421 support, 1080/30p capture cropped to 960x540/30p.

http://exposureroom.com/romyocon_jupiter

Regards,

--
Romy

PHILIPPINE WILD BIRDS
Photo Gallery - http://www.pbase.com/liquidstone
HD Bird Videos - http://exposureroom.com/members/RomyOcon.aspx/videos/

(Over 250 species captured in habitat, and counting.)

Lee Jay · Nov 8, 2009

Download Registax 5 and see if you can get a clean still from the original files. If you don't want to do it, send me the original files and I'll do it for you.

--
Lee Jay
(see profile for equipment)

liquidstone · Nov 8, 2009

Apologies. I hope the mods can move the thread.

--
Romy

PHILIPPINE WILD BIRDS
Photo Gallery - http://www.pbase.com/liquidstone
HD Bird Videos - http://exposureroom.com/members/RomyOcon.aspx/videos/

(Over 250 species captured in habitat, and counting.)

liquidstone · Nov 8, 2009

ljfinger said:
Download Registax 5 and see if you can get a clean still from the original files. If you don't want to do it, send me the original files and I'll do it for you.

Thanks, LJ. I think I should've shot the second clip at ISO 6400 (instead of ISO 12.8K), 1/30 sec, f/128 at the same 12.8 meters focal length. This should have reduced the noise to manageable levels. Seems detail will still be ok even if I underexpose 1 stop. I'll retake the shot soonest and send you some frames for stacking.

--
Romy

PHILIPPINE WILD BIRDS
Photo Gallery - http://www.pbase.com/liquidstone
HD Bird Videos - http://exposureroom.com/members/RomyOcon.aspx/videos/

(Over 250 species captured in habitat, and counting.)

Lee Jay · Nov 8, 2009

liquidstone said:
ljfinger said:

Download Registax 5 and see if you can get a clean still from the original files. If you don't want to do it, send me the original files and I'll do it for you.

Click to expand...

Thanks, LJ. I think I should've shot the second clip at ISO 6400 (instead of ISO 12.8H), 1/30 sec, f/128 at the same 12.8 meters focal length. This should have reduced the noise to manageable levels. Seems detail will still be ok even if I underexpose 1 stop. I'll retake the shot soonest and send you some frames for stacking.

Okay. Try to get as many frames as possible. I usually use about 3 minutes of video. You can't do that because you don't have tracking, but get as much as you can.

--
Lee Jay
(see profile for equipment)

riknash · Nov 8, 2009

Please post your stacking results as this would be quite interesting. Thanks!

Luke Kukovica · Nov 8, 2009

truly impressive Romy.

regards

http://www.pbase.com/llukee/profile
http://www.pbase.com/llukee/inbox&page=72

José B · Nov 8, 2009

or video clips there

Great work as always.

Best regards,

Jose

liquidstone said:
Apologies. I hope the mods can move the thread.

--
Romy

PHILIPPINE WILD BIRDS
Photo Gallery - http://www.pbase.com/liquidstone
HD Bird Videos - http://exposureroom.com/members/RomyOcon.aspx/videos/

(Over 250 species captured in habitat, and counting.)

--
Grand slam
http://www.pbase.com/jmb_56/7d_anna
http://www.pbase.com/jmb_56/sonya_50d
http://www.pbase.com/jmb_56/leyla_1dmkiii
http://www.pbase.com/jmb_56/roberta_5dmkii

Lee Jay · Nov 8, 2009

riknash said:
Please post your stacking results as this would be quite interesting. Thanks!

I only have a small scope, not even as big as Romy's 300-800/5.6, but this is the best I've done.

--
Lee Jay
(see profile for equipment)

Lee Jay · Nov 8, 2009

liquidstone said:
I did stop down to f/128 to "improve IQ."

When you shoot it for me to stack, try a set with the lens wide open and send both to me.

--
Lee Jay
(see profile for equipment)

Riku · Nov 8, 2009

Nice image, how many files did it take to get that end result and did you use video or stills as source?
--
Riku

Lee Jay · Nov 8, 2009

Riku said:
Nice image, how many files did it take to get that end result and did you use video or stills as source?

Thanks. That was from a single > 2 minute video shot at 3800mm, f30, with a webcam with pixels the same size as the pixels on the 40D. The window you are looking at is 90,000mm equivalent.

--
Lee Jay
(see profile for equipment)

Riku · Nov 8, 2009

ljfinger said:
Thanks. That was from a single > 2 minute video shot at 3800mm, f30, with a webcam with pixels the same size as the pixels on the 40D. The window you are looking at is 90,000mm equivalent.

Thanks!

Interesting, can you just feed the videofile into registax or do you have to brake it up into stills and then use the program?
--
Riku

Lee Jay · Nov 8, 2009

Riku said:
ljfinger said:

Thanks. That was from a single > 2 minute video shot at 3800mm, f30, with a webcam with pixels the same size as the pixels on the 40D. The window you are looking at is 90,000mm equivalent.

Click to expand...

Thanks!

Interesting, can you just feed the videofile into registax or do you have to brake it up into stills and then use the program?

Registax takes the video, picks the best frames, stacks them and sharpens them (this is all harder than that just sounded).

--
Lee Jay
(see profile for equipment)

Riku · Nov 8, 2009

ljfinger said:
Registax takes the video, picks the best frames, stacks them and sharpens them (this is all harder than that just sounded).

Thanks for your answers, I think I'm going to try it out when i have the time. I hope the program isn't too complicated to learn.
--
Riku

Paul Feng · Nov 8, 2009

Very nice Romy... it will be interesting to see what you can do with the crop factor of a 7D (although with the high ISOs involved, I suppose it may not be a given that the 7D will do better than the 5DII in this application).

And, while we're trying to maximize the size of the image, Jupiter will next be at opposition (closest approach, when the Sun and Jupiter are on opposite sides of the Earth) next September, which gives plenty of time to get your technique down pat.

My 7D arrives tomorrow; hopefully I get a good one, and hopefully the sky is clear later this month when I have some decent ISS opportunities.

dejavu66 · Nov 8, 2009

Those recordings are very impressive indeed, Rommy, and shows how steady the air is where you are.

I made a few recordings of Jupiter a few month ago using my 5d MKII paired to my Skywatcher 80ED refractor. Even though I had tracking, Jupiter was still jumpy because of the turbulant air quality this night.

I also deliberately over exposed Jupiter on the second recording so that I could view the moons Callisto, Io, Ganymede and Europa.

for anyone interested you can view the recordings here

http://www.vimeo.com/6660872 normal exposure and tracking

http://www.vimeo.com/6660676 over exposed to show moons

--
http://www.dejavuphoto.net

Lee Jay · Nov 8, 2009

dejavu66 said:
I made a few recordings of Jupiter a few month ago using my 5d MKII paired to my Skywatcher 80ED refractor.

You must have used a Barlow, right?

--
Lee Jay
(see profile for equipment)

dejavu66 · Nov 8, 2009

ljfinger said:
dejavu66 said:

I made a few recordings of Jupiter a few month ago using my 5d MKII paired to my Skywatcher 80ED refractor.

Click to expand...

You must have used a Barlow, right?

--
Lee Jay
(see profile for equipment)

Oops rewind, lol it was shot with my 6" Maksutov Cassegrain.

The first video was shot using my 5X powermate (plus IR blocking filter) and the second was shot at prime focus.

Please excuse my memory, I had to check my original post on another forum for this correct info.
--
http://www.dejavuphoto.net

Lee Jay · Nov 8, 2009

dejavu66 said:
No, these were shot at prime focus, only an IR blocking filter was used between 5d MKII and scope. I did, however, crop the video in Sony Vegas.

I'm surprised you could get that much resolution at only 600mm with such effectively large pixels as the 5DII has in video mode.

--
Lee Jay
(see profile for equipment)

An attempt to film Jupiter (5D2 + 12.8 meter Sigmonster)

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