M57 FF View (Joostie)

Celestial hemisphere: Northern · Constellation: Lyra (Lyr) · Contains: IC 1296 · M 57 · NGC 6720 · Ring nebula in Lyra

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M57 FF View

Link: http://www.drogenberg.be

Powered byPixInsight

M57 FF View

Link: http://www.drogenberg.be

Testing the C11 and the Starizona on the new EQ8, with a new TS M68 OAG. Need to tweak the OAG distance / focus and the Starizona distance. According to Starizona the Corrector/Sensor distance should be 134.5mm but currently @ 139,5mm also unsure on sensor 'squareness' to the focal axis.

C11 resulting focus = 2010mm @ F7,2

There was a 77% Moon almost hiding the famous galaxy

Full Frame View no cropping

Also 'first' of the L-Pro Nikon T-Ring with integrated LPS filter

I used ISO400 for a change, but I don't see much advantage in it, probably going to change back to ISO800 next time.

This image was scaled 75% (@ full resolution)

Original
Final
B

B

Description: A new test under a moon of 92% very severe gradient had to be removed
Continued testing of the optical train and OAG ; border slightly cropped
Several reflections visible no doubt from the Optolong LPS, not sure what is the source : Lyra star or M57 itself

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