IC 434/NGC 2024, Horsehead & Flame Nebulae, Hα False Color Animation, 31 Dec 2014 (David Dearden)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 48 sig Ori · 50 zet Ori · Alnitak · B33 · Horsehead nebula · IC 431 · IC 432 · IC 434 · IC 435 · NGC 2023 · NGC 2024 · Sh2-277 · The star Alnitak (ζOri) · The star σOri · VdB51

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IC 434/NGC 2024, Horsehead & Flame Nebulae, Hα False Color Animation, 31 Dec 2014

Very cold New Year's Eve. CCD temperatures ran from -7.5 to -12.5 °C. Acquired target with Astrotortilla/PicGoto by extracting and squaring only the red channel. Mount balance was off in a misguided attempt to east-weight, so the guiding was terrible; fortunately that doesn't matter too much at this imaging scale. No meridian flip because the scope clears the mount when shooting this far south.

Date: 31 Dec 2014

Subject: IC 434 and NGC 2024, Horsehead and Flame Nebulae

Scope: Orion ST80 + Antares 0.5x telereducer

Filter: Baader 7 nm Hα

Mount: CG-5 (Synta motors, PicGoto Simplificado)

Guiding: 9x50 Finder/Guider + DSI Ic + PHD 2.4.1 (Win 7 ASCOM)

Camera: DSI IIc no cooling (-7.5 to -12.5 °C)

Acquisition: Nebulosity 3.2.1, no dither

Exposure: 42x600 s

Stacking: Neb 3, bad pixel map, bias included, no flats, extract R, histogram match, square, trans+rot align, 1.5 SD stack.

Processing: StarTools 1.3.5.289 Crop; Auto Develop; HDR

ptimize; Deconvolute: 5.0 pix; Track 4.0 pix; Magic 1 pix. Photoshop CC 2014 + Carboni Astronomy Tools Hα false color black sky; Astroframe.

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Status	Advanced success
Started	...
Astrometry.net job	487488
PixInsight job	66COYMNTP3IXUMT3NWSDNWAYR21Z76U3
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h41m06s.69
RA (top/left)	05h39m13s.80
RA (top/right)	05h38m29s.92
RA (bottom/right)	05h42m58s.59
RA (bottom/left)	05h43m45s.61

Dec (center)	-02°05′09″.2
Dec (top/left)	-01°17′23″.0
Dec (top/right)	-02°44′36″.10
Dec (bottom/right)	-02°52′17″.7
Dec (bottom/left)	-01°25′56″.8

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IC 434/NGC 2024, Horsehead & Flame Nebulae, Hα False Color Animation, 31 Dec 2014

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IC 434/NGC 2024, Horsehead & Flame Nebulae, Hα False Color Animation, 31 Dec 2014

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