Celestial hemisphere:  Southern  ·  Constellation: Sculptor (Scl)  ·  Contains:  NGC 253  ·  Sculptor Filament  ·  Sculptor galaxy  ·  Silver Coin
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NGC253: Collimation Test image, Brian Boyle
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NGC253: Collimation Test image

Getting plate-solving status, please wait...
NGC253: Collimation Test image, Brian Boyle
Powered byPixInsight

NGC253: Collimation Test image

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Description

Shot this last night, through cloud and 50% moon. Basically just to test whether I had managed to collimate my GSO RC8. Quite pleased with the result, based on only 45mins exposure before it completely closed over. Images in sub-exposures have FWHM between 2.5px (2arcsec) and 8px (6arcsec) - not surprising given the conditions.

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