Celestial hemisphere:  Northern  ·  Constellation: Vulpecula (Vul)  ·  Contains:  Dumbbell nebula  ·  M 27  ·  NGC 6853
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M27 (APM 2,7x+LPS test), Bruno Bzeznik
M27 (APM 2,7x+LPS test)
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M27 (APM 2,7x+LPS test)

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Description

It was just a test of a mount of my 2,7x APM barlow on an extension ring as a support for my 2" IDAS LPS filter. Stars are not round at all, but the autoguiding was good. So, it demonstrates, I think, that my tilt problem is not solved, and has even been amplified by this mount! The direction of the aberration of the stars is the same of the apparent tilt distorsion on my wide field pictures. Now, I think that I know were to put some spacers!

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M27 (APM 2,7x+LPS test), Bruno Bzeznik