Monthly Archives: August 2012

Some more on the Curta calculator

What’s really nice about the Curta calculator is that by thinking about the maths problem you want to solve in a logical manner you can minimise the number of handle rotations to calculate the answer.  So for example, finding the … Continue reading

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Black Type II Curta calculator July 1953

Gaze and weep at this engineering beauty.  And remember, this was made in the days before CNC equipment!!!  Arrived this morning, courtesy of E-Bay 🙂 🙂

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Contrasting star colours in Perseus

Got today’s EPOD with the Algol/Rho Persei image from a while back 🙂  Thank you Jim for continuing to publish my work from the New Forest Observatory.

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Vega region – 3.26 x 4.24 degrees, both M26C cameras – mini-WASP array

Took this test image of the Vega region using both Sky 90s and both M26C cameras on the mini-WASP array.  One camera is not as well set up (collimation, chip flatness) as the other, but I just wanted to see … Continue reading

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Image of the Month – August 2012

This month’s Image of the Month is this incredible capture of M51 by American deep-sky imager Bud Guinn taken from his New Mexico remote observatory.  Beautiful image Bud 🙂  

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