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Showing results for tags 'asi 1600'.
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Hi all. This one has really been a major struggle. Between mistakes i made like trying to use a cheapo dual cigarette lighter adapter resulting in my dew heaters failing. My luminance data losing focus, perhaps a cable snagged, not really sure why it happened. Star shapes in the corners are poor mainly i think due to tilt caused by my zwo eos adapter (new geoptic one in the post). And of course one of my neighbors leaving his led moon on all night so i lost 5 hrs of rgb due to pink stars from the led (at least i think that's what caused it). The joys of astro photography. All those trials make it all the sweeter when you manage to pull an image from the data. Anywho this is 4 hrs of lum 150 second subs at 0 gain with Asi 1600 Samyang 135 3.5 hrs of rgb 150 second subs unity gain Asi 071 Samyang 135 5 hrs Ha 150 second subs at 300 gain Samyang 135 Stacked in Dss, processed in PI and PS. California Nebula lies approx 1,500 ly from earth in the constellation Perseus. Aptly named due its shape. Most likely illuminated by the bright blue star just above Xi Persei according to various sources online. Hope you like it. Richard.
When taking Dark frames, I think I'm right in saying that a) they are taken at the same exposure settings as the lights, b ) at the same temperature as the lights. In which case, with the ASI1600, can i just do this indoors (not at the scope), just be capping the end of the camera, setting the necessary temperature, wait for the camera to cool and then take my darks, all from the comfort of my armchair? And thus by setting different temperatures (say -25, -20, -15) build up a library of darks at different exposures (1sec, 2s, 4s, etc etc) and then build myself a set of master darks? Thanks in advance Neil