Widefield view around Sadr, the Crescent and the Tulip Nebulae - L-Ultimate first trial (Doversole83)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 27 Cyg · 28 Cyg · 29 Cyg · 34 Cyg) · 37 Cyg) · Crescent Nebula · IC 1310 · NGC 6871 · NGC 6888 · Permanent nova (P Cyg · The star 15 Cyg · The star 19 Cyg · The star 22 Cyg · The star 25 Cyg · The star 35 Cyg · The star Revenant of the Swan · The star Sadr (γ Cyg · The star b1 Cyg · The star b2 Cyg · The star b3 Cyg

Widefield view around Sadr, the Crescent and the Tulip Nebulae - L-Ultimate first trial, Doversole83

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Widefield view around Sadr, the Crescent and the Tulip Nebulae - L-Ultimate first trial

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Widefield view around Sadr, the Crescent and the Tulip Nebulae - L-Ultimate first trial

This is the first test of my new Optolong L-Ultimate filter used in conjonction with a Samyang 135.

The good: I am impressed by the contrast after just one hour integration
The bad: halos in particular around red stars. The Photoshop heal tool was necessary!

The L-Ultimate is not desgined for fast systems (hence the halos I suppose). Should I take a dedicated fast filter? Not sure as the bandwidth shift I understand is mainly due to the incidence angle of scopes like the RASA that have a big central obstruction. I may be wrong....

Samyang 135 f/2

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Started	...
Astrometry.net job	7846854
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Widefield view around Sadr, the Crescent and the Tulip Nebulae - L-Ultimate first trial

Widefield view around Sadr, the Crescent and the Tulip Nebulae - L-Ultimate first trial

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Widefield view around Sadr, the Crescent and the Tulip Nebulae - L-Ultimate first trial

Widefield view around Sadr, the Crescent and the Tulip Nebulae - L-Ultimate first trial

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