Hi Robin,
Planet disk stabilization for planet imaging using a cropped image space is a great feature. But it only works in 8 bit modes, it seems.
Is it possible to extend this to higher bit modes (e.g. RAW16)?
Cheers, Chris.
Planet disk stabilization beyond 8 bit?
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Planet disk stabilization beyond 8 bit?
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Re: Planet disk stabilization beyond 8 bit?
Hi Chris,
in theory, yes, it's possible. I'm puzzled as to why, since in most (all?) cases, the camera settings used for planetary/lunar/solar imaging are such that there is no real benefit to moving to 16 bit. The noise level due to pixel shot noise is typically higher than the size of the 8 bit ADU level, so all you do by going to 16 bit is measure and record the noise in more detail.
cheers,
Robin
in theory, yes, it's possible. I'm puzzled as to why, since in most (all?) cases, the camera settings used for planetary/lunar/solar imaging are such that there is no real benefit to moving to 16 bit. The noise level due to pixel shot noise is typically higher than the size of the 8 bit ADU level, so all you do by going to 16 bit is measure and record the noise in more detail.
cheers,
Robin
Re: Planet disk stabilization beyond 8 bit?
Hi Robin,
I agree in theory. But I was doing some experiments to probe that (back when the planets were up) and found I needed different approaches based on pixel depth.
Not a big issue.
Cheers, Chris.
I agree in theory. But I was doing some experiments to probe that (back when the planets were up) and found I needed different approaches based on pixel depth.
Not a big issue.
Cheers, Chris.
Celestron EdgeHD 8, reducer 0.7x, Star Sense, CGX-L mount, Focuser, CPWI; Starlight Xpress AO, OAG and Filter Wheel; ZWO 294MC/294MM Pro and 174MM mini; SharpCap Pro, PHD2, Televue Powermate 2x, Baader Neodymium, Astronomik CLS-CCD, ZWO UV/IR, Duo filters
Re: Planet disk stabilization beyond 8 bit?
Dr. Glover,
I typically shoot Earthshine in 16bit, for what it’s worth.
I typically shoot Earthshine in 16bit, for what it’s worth.