David Randell wrote:
Nope, it is Jupiter, the band across the middle is at the correct
angle. Just a pity that the Jovian moons don't show. Callisto is close
by at the left hand side of the band.



I think you are mistaken here...

If you measure the image posted (ignoring any saturation of the pixels)
the estimated pixel-diameter proportion of the two images are in the
region of 74:12, which would mean that what is being taken as an image
of Jupiter's disc subtends far too large an angle. Given the Moon
subtends 30arcmins, at this same scale the disc of Jupiter would
subtend ~290arcsecs, or 6.5x too large.

Then note the camera used, its a Canon A80 (which I have). At full zoom
(23.4mm) and full resolution, the image scale works out as
27.3arcsecs/px. The disc of the full Moon at that image scale subtends
~66 pixels, and Jupiter at 45arcsecs a mere two pixels! Yes you can
image at least one of the Galilean satellites with the A80 at full zoom
(and I have done so), but no way will you image the true disc of the
planet at that focal length.

All of which is true if the image was critically focussed. But it is
really
out of focus. Have a look at the wires and their bits of binding twine
and the shrubbs at the right.

This is not to say the image is not an image of Jupiter, it may well be.
But if it is, it is not an image of the true disc of the planet imaged
with the A80 without additionally coupling it afocally to a telescope.

Agreed. But it is Jupiter and (suprise) at the very top, left of the Moon
is Zubenelgenubi (mag 2.75) just showing.

Did you set your planetarium to the photographer's given co-ords to
check? Some of the info is a bit sketchy, like the time and TZ but the
correspondance is striking (like it should be!).


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