Author Archives: Greg Parker

Statrep on the mini-WASP array

The 3rd (and final) Sky 90 has been fitted to the mini-WASP array 🙂 I will now be able to get 12-hours of data at f#4.5 in a typical 4-hour imaging session. Provided that I get 4-hours of clear Moonless … Continue reading

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Collimating the Hyperstar III

It is possible to get perfect stars right across the diagonal of an APS-size chip such as the Starlight Xpress M25C or M26C – but only if your Hyperstar imaging system is in very good collimation.  Getting good collimation is … Continue reading

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The Hyperstar III is back on-line

I have completed the initial experiments with the Canon 200mm lens piggy-backed on the C11, so yesterday I removed the kludge on the back of the C11 and re-instated the Hyperstar III – just in time for all the winter … Continue reading

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UY Andromedae a Carbon star in Andromeda

There are 5 very nice Carbon stars in Andromeda that I would like to bag this month and this is the first I’ve caught – UY Andromedae with some nice faint fuzzies, and a couple of not so faint fuzzies. … Continue reading

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Gamma Cassiopeiae and Navi region

The mini-WASP array was again put into commission taking half hour subs of the Navi region of Cassiopeia – Navi is the central star in this image.  Nearby lies Gamma Cassiopeiae and its associated nebulosity.

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The mini-WASP array does the PacMan nebula and Schedar

Several hour’s worth of half hour subs resulted in this deep view of the PacMan nebula and nearby bright star Schedar in Cassiopeia courtesy of the mini-WASP array. The array is due for an upgrade at the end of this … Continue reading

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Thor Heyerdahl’s 100th Birthday today

Thor Heyerdahl, great adventurer and explorer would have been 100 today. He created a great impression on a very young lad with his book “Kon Tiki” about an expedition aboard a balsa wood raft.  I recall building my own wooden … Continue reading

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Another mini-WASP upgrade

I recently discovered that Takahashi have discontinued making the Sky 90 – mad decision IMO.  And this comes at a time when I was looking to replace the TS80 with a Sky 90 giving me a mini-WASP array with 3 … Continue reading

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The Double Cluster and Stock 2

I am in the final stages of setting up a new imaging system based on a Canon 200mm prime lens with M25C OSC imager and a 52 mm IDAS filter on the front of the lens giving me f#3.85 and … Continue reading

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The Canon 200mm lens in the south dome

I have now removed the Canon 5D MkII from the 200mm lens in the south dome and replaced it with the M25C that used to be on the Hyperstar. The massive field of view afforded by the 5D MkII on … Continue reading

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