Sunday, March 25, 2012

Orion Reprocessed

Here's another reprocessed image, this time of Orion.  The focus is still lousy, but more detail is visible.  Note the faint streaks in the image.  I do not know what caused these artifacts.  I suspect they are the result of vibration from the SLR shutter and mirror mechanism at the beginning of the exposure jiggling the scope; they do seem to correspond to the imaged stars, but are displaced.

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The Horsehead Nebula

This image of the Horsehead Nebula consists of just over 4 hours of total integration time. Stacked and processed in Siril, GraXpert, Affini...