H I alex,
Yes they were taken with the G star.Exposure is very small (2.5 secs ) so a large aperture will provide brighter pics, it also helps to take more pics to reduce the noise .I was using an ir/uv blocking filter and a Seben clr filter as my luminance .This would reduce my brightness a little.I am in the process of getting a BK7 glass filter window to replace it.
regards philip
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