Saturation, rejection stacking and dithering
Useful answers from Dirk to some questions raised on Facebook: Exposure time to avoid saturation on single stars? There is no need to avoid saturation of all stars in the [...]
How can I automate the image processing?
On of our contributors came up with a way of automating the processing for a One Shot Colour CMOS camera using SiriL and scripts. Read the article »
What processing is required after uploading my images?
Watch the following video, follow the instructions on the HOYS HOW TO page or read the PDF MANUAL » to see how this works. There are 4 basic steps: Identify [...]
What format should I submit my images in?
All files should be uploaded to the HOYS server in FITS format. It can be useful - though not essential - to name your files using the target number and [...]
What software should I use to process my images?
Any standard image processing software you use for astro-imaging that can calibrate and stack frames is suitable. There are commercial as well as free versions. Here's a list of some [...]
What image processing should I do?
Individual frames should be calibrated using darks, bias (offset) and flat frames as you would for normal astro-imaging. The images should not be enhanced or normalised in any way otherwise [...]