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Failing to register Light Frames
Ive been using APP for a few months now and have had some success, especially considering I only started with a telescope, a Nexstar 8se around 5 months ago. However, I took around 300 x 10 sec (ISAO 1600) exposures last night of the Cocoon Nebula. Ive calibrated all my different frames (Lights/darks/bias/flats) and analysed the stars. But, when I try to register them it is a flat fail for every single light frame. Ive trying altering some of the settings but to no avail.
I have noticed there is a bit of elongating of the stars (the ones that are far away generally) but some in the foreground are not to bad and seem pretty round.
Does anyone know how I can get to the end result in some way. Maybe I just need to tweek something I don't know. I am a novice by the way.
Any help will be greatly received.
Sorry for missing your post! 10 seconds is very short and if you have any light pollution it could very well be that the signal is not good enough for proper processing after all calibrations are done. Also, sometimes calibration data can be bad, especially flats. Does it also fail when you take out flats and darks?
Hi Vincent. I agree its short but it works really well with all the others Ive taken and Im pretty pleased for a beginner.
Ive attached a couple of examples here (Andromeda, Bode, Dumbell Nebula and M106), albeit with a bit of noise due to my light polluted area.
I will try without the flats and darks but its strange that in this case it wont work, especially as these images include flats and darks. :-/