NGC 7380 / Sh2-142, Flying Horse Nebula, 17 Aug 2012 (David Dearden)

NGC 7380 / Sh2-142, Flying Horse Nebula, 17 Aug 2012

Had trouble finding the Flying Horse tonight, then realized I had my map upside down. Look for an asterism of a nearly equilateral triangle with double stars at each corner with another brighter star off one face; that's how to find it. There is still smoke in the air from wildfires, but not too bad so I thought I'd give this a try. Chiller running at 14.5 °C initially (it is a warm night). Guiding looks very good so far; air is still. This is in the north, where some of my worst light pollution exists. I may want to try again with the UHC-S filter. Sky glow was limiting, and it looks like there's coma around the edges (the coma correctors I'm interested in are out of stock at the moment).

Date: 17 Aug 2012

Subject: NGC 7380 / Sh2-142, Flying Horse 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

Acquisition: Nebulosity 3.1.0

Exposure: 60 x240 s

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

Processing: crop, color balance, digital development, levels & curves, one layer GreyCStoration, unsharp mask another in N3. Astronomy Tools horizontal band, color blotch, deep space noise reduction in the denoise layer. Layer mask combine the layers, AT enhance DSO/reduce stars, star color enhance, GradientXTerminator, star size reduction, saturation boost all in CS6.

Original
Final
B

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