It cleared (albeit partially)
in the early evening and I had a strangle impulse to see Jupiter in less than
ideal conditions. I was out at 1750 GMT when twilight had almost gone. At low
magnification (48x), Jupiter showed the two main cloud belts and five apparent
moons and it was far from obvious which one was the background star. I took
some snaps through my compact digital camera.
I was struggling
somewhat with my webcam (SPC880) and I tried hard to use a mask for focussing
but guessed there wasn’t enough light getting through (not usually a problem
for Jupiter). Following some discussions on forums, I tried using a frame rate
of 10 per second, although it conflicted with my own ideas. I used a 2x Barlow
lens with the webcam.
I combined the last
image with the moon shot to produce this composite.
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