UKC

Sorry for the geekiness, I just thought it was cool that with a 400mm lens , stacked teleconverters and 100% crop, jupiter and moons can look quite good!

Overall effective focal length is a crop at ~1800mm

http://www.flickr.com/photos/huddartphotos/5149295400/

In reply to hindu:

Good work, are the white dots stars, or moons, or dust?

Out of interest do you have proper Canon converters, or a cheaper version?

In reply to Southern Man:

Canon converters.

According to this http://www.skyandtelescope.com/observing/objects/javascript/jupiter#

The white-ish dots are (L-R) Europa, Io and Ganymede. Calisto is out of shot.

In reply to hindu:

Remarkable; v well done. A testimony also to the sensitivity of a modern digital camera.

In reply to hindu:

I must say I would never have guessed that you could photograph Jupiter's moons with such relatively basic camera equipment i.e. without it being attached to a full-blown telescope.

In reply to Southern Man:

Should have said - this is the theoretical locations of the planets at the time of the shot:
http://www.flickr.com/photos/huddartphotos/5148759187/

In reply to Gordon Stainforth:

Absolutely, on a setup too heavy for the tripod as well!
I was amazed, still am really.

How I did it:
With 'live view' activated and having found the planet, I zoomed as far in as I could and played with the focus until something resembling sharpness appeared. A few shots at f8 and 100/sec and then take a 100% crop and fiddle!

In reply to hindu:

Andi Turner is good at this sort of stuff, have a look at his photo at http://www.ukclimbing.com/forums/t.php?t=427475&v=1#x6050683

In reply to hindu:

The most remarkable thing is the f8 at 1/100 sec - imagine trying to do that with film. Just how fast - and grainy - a film you would have to use, and then probably pushed about three stops!

In reply to Coel Hellier:

Now that's impressive!

In reply to hindu:
Very well done sir!!

In reply to hindu: "...There really are planets!"
did you have a doubt before digital?

In reply to hindu:

Holy moly. Is that cloud banding too?

In reply to bobert:

Well you've never sure that someone's having you on...

Jon - Yep, that's clouds!

In reply to hindu:

Impressed and I use a telescope, and not a small one

In reply to hindu: Good pic! just wish i could get similar results when i try.

In reply to hindu:

Wow. That's very cool. I had no idea one could do that.

In reply to hindu:

I wondered what that bright light was in the sky for weeks and last night I got my binos onto it. Never thought that it was Jupiter and that I could see its four moons.

Wow.

In reply to hindu: Good work mate.

Impressive

In reply to hindu: Good work. I presume this is a single image? If you are interested, the next stage is stacking images.

There are a few tutorials on the web on how to do this in photoshop, but there is also some pretty good software out there too. Free software is out there to stack raw images and do it all for you. The results are quite simply fantastic. Images I've taken of the milky way for 10 seconds on a single shot look very poor compared to 10 of these images stacked on top of each other. This also helps get around problems of trails and sensor noise. It's a whole new game to learn though.

Drop me a mail if you fancy some info...

In reply to hindu:
Despite your admissions that's a good photo. Liking it very much.

In reply to hindu:
I am impressed with the quality with only a 400m lens (and what are stacked teleconverters?). What does our earth's moon look like with a 400m lens?

For comparison I took these photos of the 4 moons of jupiter and our moon a few years back with a 4x digital zoom coolpix, attached to a 60x telescope.

http://picasaweb.google.com/Mike.Meysner/TheMoon?authkey=Gv1sRgCN3bpcm04qTV...

Why does your Jupiter only have 3 visible moons?

In reply to Mike421:

Teleconverters multiply the focal length; the 2x doubles and you can guess what effect of the 1.4x extender is... Putting both of these together and on a 400mm lens means that the combination gives 400x2x1.4 = 1120mm.

This on a Canon crop sensor camera means the equivalent field of view of 1792mm (a 1.6x increase because of the sensor size compared to a 35mm film neg).

So, it's a misleading title - I should have said "Jupiter with 1792mm of cobbled together lens"

As for moons - I think that Calisto is out of shot to the right (based on the model here http://www.flickr.com/photos/huddartphotos/5148759187/in/photostream/