The workspace for those new to Affinity Photo Widely known but, I promise you, is true.] They should be – at the same sensor temperature, exposure and ISO as the lightįrames then the bias current is included so there is then no need to take any Which can be then be incorporated if the data is aligned and stacked a second Shown) enables a perfect light frame to be produced from the stacked image
[If there is significant light pollution the image, this (as will be The effects of vignetting towards the corners of the frame, but using a Micro
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However the effects of hot pixels could stillīe visible in the stretched final image but stacking software will often remove Of dark current and amp glow would not be apparent. Thus the sky noise would totally dominate the noise in the image so the effects No dark, flats or bias frames were taken for this briefĭark frames are very useful to eliminate the effects of dark current,įew frames of M41 were taken from an urban location at a very low elevation, The images were captured with an Altair Astro Of the (excellent) TS-Optics 90mm f/6.6 triplet APO refractor. They were taken during some rapid first tests Number of red giant stars which appear orange in colour. Open clusters in the skies as, amongst the hot blue stars in the cluster, are a Though sparse, it is one of the prettiest Taken of the open cluster M41 that lies below Sirius in Canis Major. This describes the processing of 30, 20 second exposures An article in the author’s Astronomy Digest –
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