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Questions about my setup: Sony A7r3 + 16-35 GM + SkyGuider Pro

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#1 bigdirtyfly

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Posted 20 April 2019 - 01:56 AM

This is my setup: 

1. Sony a7r3 

2. 16-35 GM 

3. Sky Guider Pro

 

I am planning to shoot mostly landscape astrophotography, i.e. Landscape Photography with the Andromeda Galaxy. Please note that I am fully aware that I will be using multiple shots to compose my image (one for the foreground and possibly a few for the sky)

 

Since I am using an auto-glider (Sky Guider Pro), I don't feel the 500 rule applies to me. 

1. What ISO should I shoot in? (According to this graph https://blog.kasson....s-ss-uc-edr.png, I should be choosing 100 or 640 only) 

2. Should I stack or should I expose longer? 

3. What is the recommended aperture? (I am seeing sharp images with f/8) 

 

 

 

 



#2 bigdirtyfly

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Posted 20 April 2019 - 10:42 AM

Also will the answers differ if I were to use a lens with a longer focal length 




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