# 24 May, 2018 23:27
Looking at purchasing either a ZWO ASI 178 color or a ASI 290, would greatly appreciate suggestions on which is better. Want to photograph both Lunar and DSO|
I have a Sky Watcher 80ED and an EXOS 2GT EQ
Just beginning to start into astrophotography, and finding that it is very confusing
Also does anyone use a MAC computer with either of these cameras, or will I need to buy a Windows computer
# 25 May, 2018 08:14
i own the ASI178MC which performs very well when it comes to planetary or lunar imaging. DSO works also, but later on you will miss a possibility to cool the cam down. Also the field of view is a little tiny because of the relatively small chip -> though your 400mm focal length and the pixel size of 2,4 will work very well together, leading to a nearly perfect sampling rate. See Astronomy.tools for details. But if you ever want to buy a scope with a larger focal length, you will get in trouble with over-sampling. If you want to see some sample pictures take a look at my gallery. All images you see there were taken with the ASI178MC.
Long story short: I cant say anything about the ASI290, but the ASI178 is a good one to start with astrophotography, especially in combination with your scope.
# 25 May, 2018 08:26
Both have small chips, are much better for planets than DSOs, which are usually much larger.|
The 290 chip is really tiny.
AP is very unintuitive, confusion is natural. The antidote is books. I suggest you start with this, while it says DSLR, most of it applies to any camera, And consider using a DSLR for starting out in AP of DSOs. Much bigger chip, makes life a lot easier.
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