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Category Archives: Writing
Star Reduced Sadr Region With the 200mm Lenses
A bit of star reduction on the wide field Sadr region works wonders.
Altair Region with Star Reduction
Surprisingly, even a region which is predominantly stars can benefit from a little star reduction.
Posted in Canon 200mm prime lens, mini-WASP Array
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Fibonacci – Primes
Here are the first 200 Fibonacci numbers – and the list below shows whether they are Prime (True) or not (False). Courtesy of Mathematica. {1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, … Continue reading
Posted in Projects
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Sunflower Seed-Head Again
Having spent the whole day on the Golden Ratio, the Fibonacci sequence, the Golden (Planar) Angle, and Phyllotaxis – here is a Mathematica produced piccie of the Sunflower seed-head pattern using 2,000 “seeds”.
Posted in Projects
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Yet Another Update on the Golden Ratio
The well-known Fibonacci sequence formed by summing consecutive terms looks like: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89………. And a well known property of this sequence is that if you take the ratio of consecutive terms … Continue reading
Posted in Projects
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North America nebula region
Another star reduced version of an oldie. This time it’s the North America/Pelican nebula region of Cygnus taken with the 200mm lenses and the Trius M26C OSC CCDs. This is a 3-frame mosaic.
Posted in Canon 200mm prime lens, mini-WASP Array
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Mu Cephei – the Garnet Star
A reprocess of Mu Cephei.
Posted in mini-WASP Array, Sky 90 and SXVF-M26C
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Another (faint) ISS Pass
From 5:39 p.m. tonight – another faint ISS pass – this time due to a blazing Moon directly behind me. You can JUST see the ISS running across the middle of the image.
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4:50 p.m. ISS Pass
Tonight’s ISS pass in nautical twilight (too light really to take the image) – but you can just about make it out.
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The Triangulum Galaxy – Messier 33 – Noel Carboni Process
This is an image of the Triangulum Galaxy – Messier 33 – and it has been a little while in the making. This image is a composite of data taken with the Sky90 refractor and M26C OSC CCD, the Hyperstar … Continue reading