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7 votes

Is it possible to observe strong gravitational lensing with amateur telescopes?

If you have a good camera, a steady hand, good conditions and a lot of patience, you might. The Sunburst Arc, at a magnitude of around 17, has been observed with a 132mm refractor by Ian Woodward at ...
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  • 311
2 votes

How could I see Andromeda as large as in this picture?

Would it be sufficient to get to a really dark site with the naked eye In my personal experience, I have seen Andromeda Galaxy as a quite bright dot, in a hill station 2133 meters (6998 feet) above ...
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1 vote

How could I see Andromeda as large as in this picture?

You'd need new eyes able to collect vastly more photons. Barring an alien eye transplant, a large telescope mirror with a low power objective lens gives a reasonable view of the Andromeda galaxy in ...
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2 votes

Focus Problems when using Barlow 3x or 4mm lens

Truth be told, there are a few factors: The 4mm eyepiece that comes with the Powerseeker just isn't very good, unfortunately. Neither is the Barlow that comes with the Powerseeker. This is a serious ...
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  • 201
2 votes

Focus Problems when using Barlow 3x or 4mm lens

You will experience this issue if the barlow is not designed for the particular telescope you are using. the manufacturer mentioned the maximum effective magnification as 300x which is a bit ...
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