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Category Archives: Writing
Composite IC410 IC405
This is a composite image of the IC410/IC405 region taken using a Sky90 refractor with an M25C OSC CCD and a pair of Canon 200mm prime lenses with ASI 2600MC Pro OSC CMOS cameras. The Sky90 data was 5-hours and … Continue reading
Posted in 200mm lens and ASI 2600MC-Pro camera, mini-WASP Array, Sky 90 and SXVF-M25C
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Composite Rosette nebula
This image is a composite of Sky90 and Hyperstar 4 data only.
Posted in Hyperstar 4 and ASI2600MC-Pro, mini-WASP Array, Sky 90 and SXVF-M26C
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The Heart of the Rose
This is the central region of the Rosette nebula. This is a composite image created using RegiStar and comprises original Hyperstar, Sky90 and Hyperstar 4 data exceeding 15-hours of total exposure time.
Posted in Hyperstar 4 and ASI2600MC-Pro, Hyperstar and SXV-H9C, mini-WASP Array, Sky 90 and SXVF-M26C
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The Golden Solid Angle – Yet Again!!!
Another hobby of mine is “experimental mathematics” – I think I may have mentioned (ages ago) my Prime number hunting server. Well way back in June 2007 (just before actually) I discovered something that seems to have been overlooked for … Continue reading
Posted in Projects
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Climate Change
Climate change? What climate change? Where’s your proof??? You aren’t going to believe this one. So I suffer from Hayfever – big deal – why are you talking about Hayfever at the end of December?? I know Hayfever symptoms (I’ve … Continue reading
Posted in Projects
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The Sadr Region in Cygnus
Nice clear night last night and I managed to grab 20 x 10-minute subs with the Canon 200mm prime lenses and the ASI 2600MC Pro CMOS cameras on the Sadr region. A bit perverse imaging Cygnus at the end of … Continue reading
Posted in 200mm lens and ASI 2600MC-Pro camera, mini-WASP Array
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Star Reduced Sadr Region With the 200mm Lenses
A bit of star reduction on the wide field Sadr region works wonders.
Posted in 200mm lens and ASI 2600MC-Pro camera, mini-WASP Array
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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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