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longest unguided exposure

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longest unguided exposure was created by Gonzothegreat

What is the longest unguided exposure you have managed to achieve?
Without any star trails what-so-ever, let us know which mount you are using and if it's a fixed or mobile setup.

I was able to do 5 min with the HEQ5Pro, fixed setup.
4 years 7 months ago #42520

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Replied by Marc on topic longest unguided exposure

This depends on many factors ....

- The quality of your mount
- The quality of your polar alignment
- The focal lengh of your scope
- The ratio between your focal lengh and the size of your pixel ((2.4/800) *206.265 )) is totally different from ((3.8/2800)*206.265)

What I mean is that you can't compare a 200/800 with an ASI290mm and a 280/2800 with an ASI1600mm.

If you want to compare, you must do it all things being equal .

- Marc
Last edit: 4 years 7 months ago by Marc.
4 years 7 months ago #42531

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