Category Archives: Writing

A Perseid from my Sodium light-polluted back-garden in Brockenhurst from early this morning

Testing out my all-sky imaging rig ready for next week’s maximum in the Perseid meteor shower.  AstroTrac, Canon 5D MkII camera, Canon 15mm fish-eye lens and Canon electronic shutter controller.  You might just make out a faint Perseid bottom left … Continue reading

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Blast it! Another go-deeper job I didn’t really want.

Last night I managed to grab the frame to the right of the Cocoon nebula – whilst at the same time getting some ultra-wide-fields of the Perseids using the Canon 5D MkII, 15mm fish-eye lens and AstroTrac.  Anyway – I … Continue reading

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IOM August 2010 – The Cocoon nebula in Cygnus

Imaging conditions steadily improve as we proceed through August and once again reasonably dark skies can be had in the late evening – the only problem being if you have a day job to get up early for the next … Continue reading

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Over 12 orders of magnitude in exposure time between subjects

I am using a Bryan Mumford Time Machine and the high speed flash gear from http://www.highspeedflash.com/ to create some visually stunning images of water collisions – an example is here: Some spikes added to the highlights using Noel Carboni’s plug-in … Continue reading

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Why the cloud at night?

Why is there so much cloud at night recently when it’s been relatively clear through most of the day?  Well I have the AstroTrac ready and set up with the new Canon 5D MkII and the Canon 15mm fish-eye lens … Continue reading

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The unreasonable effectiveness of Mathematics

I am just starting to read Cliff Pickover’s “The Loom of God” and it jogged my rapidly fading memory of my Professorial Inaugural lecture.  Below I reproduce the last few minutes of the 2005 Inaugural lecture I presented at the … Continue reading

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Life, the Universe, and the EPR “Paradox”

Einstein was pretty unhappy with the way Quantum Mechanics was developing – which was a bit odd seeing as he came up with the concept of the photon and an explanation of the photoelectric effect – but I digress. In trying … Continue reading

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IOM July 2010 – Messier object 39 in Cygnus

With virtually no imaging for the last 6-8 weeks we enter July where at least the skies start to get a little darker in the late evening.  It is still not great conditions for imaging though and you will note … Continue reading

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A better image taken from outside the house using a beer can pinhole camera

I also mounted two pinhole cameras outside the house on a south facing wall.  These cameras were based on beer cans as the Ilford photographic paper fits very nicely inside a standard size aluminium beer can.  Like the indoor cameras … Continue reading

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My longest ever sub-exposure – 6 months!!

I’ve just opened the pinhole camera in my study (one day early).  This was behind the double glazing in a rectangular tea caddy tin box.  You can see the NFO dome towards the right, and a neighbour’s house over the … Continue reading

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