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NGC 6888, Crescent Nebula, David Dearden

NGC 6888, Crescent Nebula

Equipment

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Acquisition details

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Description

Date: 19 Jun 2012

Subject: NGC 6888, Crescent Nebula

Scope: AT8IN+ 0.5x Antares telereducer

Filter: none

Mount: CG-5 (Synta motors)

Guiding: Orion ST80 + 0.5x Antares telereducer + DSI Ic + PHD

Camera: DSI IIc (cooled at 2 A, 6.0 V, but I don't think it was working)

Acquisition: Nebulosity 3.0.6

Exposure: 38 x 300 s

Stacking: Neb 3, bias included, normalize first, trans+rot align, 1.5 SD stack

Processing: Digital development with sharpening, power stretch, Keller stretch, a little saturation boost, star edge tightening in N3, CS5 levels + curves, Astronomy Tools star color enhance, unsharp mask

Comments

Histogram

NGC 6888, Crescent Nebula, David Dearden