Archive for June, 2017

A Noel Carboni reprocess of old Sky 90 array data using AstroFlat.

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Struve’s Lost Nebula, Burnham’s Nebula, Hind’s Variable Nebula, NGC 1555 – they are all the same object and it is in the centre of this image.

65 x 20-minute subs (almost 22 hours) went into this one using the Sky 90 array at the New Forest Observatory.

 

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A rather oddly-framed 4-framer using the Sky 90 array of the Merak region.

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Sometimes it is good when someone else has a look at one of your images as they can immediately point out stuff which you miss (because you’ve been looking at the thing too long).

Bud Guinn immediately saw some errors with the 2-frame 200mm lens Double Cluster panorama which I hope I have rectified in the version below.

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Here we have 2-framers of the Cocoon nebula region and the Double Cluster region.

Hopefully these are the last two images I need to reprocess from the 200mm lenses.

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Each image is a 2-frame wide-field mosaic.

Ruchbah and Caph – main stars in Cassiopeia.

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Another reprocess – note the two Carbon stars to the left hand edge.

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Noel Carboni’s new AstroFlat tool makes it very easy to bring lots of different datasets together (something that was a huge pain before the tool).

So this is the first image showing all 11.5 hours of 20-minute subs for IC2087 taken with the Canon 200mm lenses and Trius M26C OSC CCDs.

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Aldebaran, the Hyades and NGC1647 (200mm lens 2-framer)

Tarazed and Barnard’s “E” (200mm lens single-framer)

 

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And the last one for today is the 4-framer taken using the Canon 200mm lenses and Trius M26C OSC CCDs.

This is the whole of central Lyra.

 

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