Wims place, mainly astronomy and electronics related
söndag 15 oktober 2017
Optimising offset for the ASI 174MM-Cool
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Used last night's cloud cover to do some testing with my cooled CMOS, the ZWO ASI 174MM-Cool. The gain of CMOS cameras is variable, and...
fredag 18 augusti 2017
That other reason to stack images - increase in bit depth
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The second advantage of stacking - increase in bit depth Stacking astrophotography images will increase signal-to-noise ratio (SNR) by de...
söndag 4 juni 2017
Handling Fits files in batches - FITSFileManager in PixInsight
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Lately I have processed a number of images taken with the Liverpool Telescope on La Palma. The images in their archives are FIT files that ...
Contour mask in PixInsight - an alternative way
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If you want to reduce stars in PixInsight, you need a contour star mask. The StarMask process has this option, and for many images this work...
måndag 27 februari 2017
star repair in PixInsight - part 2
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While reprocessing old data, I came across a very instructive incidence of star over exposure. When imaging under light polluted skies, sky ...
Raspberry Pi DSLR trigger
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Here's a small, simple project, a remote trigger for a DSLR. I control my telescope mount through INDI, but unfortunately I can't c...
lördag 14 januari 2017
star repair in PixInsight
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When stars start to get over exposed during data collection, their core may become a different colour than the normally exposed outer halo. ...
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