A-L-E-X wrote:Source of the post They are great- what kind of camera and lens and focal length did you use? I do wide field imaging and I find that I can do 13 sec exposures at 14mm (28mm equivalent) and still have round stars. I use DSS for stacking and then a program called Sequator to remove light pollution.Did you know you can even detect exoplanets with simple camera equipment?I don't do dark frames and all the other stuff as I merely keep dark frame subtraction on in my camera. It takes the dark frames automatically.Bias frames are for dust on the sensor (I think) and Olympus cameras are legendary for dust removal (I wouldn't use any other brand and I only use mirrorless because I want as lightweight as possible.)
I Have a simple canon 7d with a 55-250mm lens (i used 250mm).
i also used DSS for stacking, i deactivated this automatic dark frame subtraction because for me it feels like im losing detail with it. Bias frames are used to remove the readout signal from you camera sensor and dark frames also have these signals. For me flat frames is a must have because of vignetting, without it i have a huge donut ring around my images which needs more time for removing in the processing.
I use PixInsight or StarTools for processing and afterwards gimp.