Horsehead and the Flame Nebula - First Outing (psychwolf)

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

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Horsehead and the Flame Nebula - First Outing

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Horsehead and the Flame Nebula - First Outing

Posting my first run at data acquisition on the Horsehead nebula in mid-March, as this object starts to sink in the horizon. Data is from a Bortle 9/10 zone in the heart of downtown Milwaukee, and has mostly been unguided due to troubles acquiring stars again from my mini guide scope after a few frozen over nights. So, since I'll likely start fresh, I'm posting where I'm at for now. The dog ear in the right corner is due to combining vertical and horizontal positioning.

I use an Omega Optical 2" Duo filter (95%T NPB DGM Skyglow). Specs: Central Wavelength 494 nominal, To pass 480 to 510 nm, as well as 656 nm, Typical transmission >90%, Blocking OD 3 typical of interfering light.

For this capture, it's a stack of 96min via Vixen ED81swt, on an EQ6r-Pro, via ASIair pro.

7min - 60s (7 x 1 min)

44min - 120s (22 x 2 min)

45min - 180s (15 x 3 min)

Milwaukee Astronomical Society

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Status	Advanced success
Started	...
Astrometry.net job	4300980
PixInsight job	FID6GIET0YPMJB6JBICV5YXXB72GB96G
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h40m34s.81
RA (top/left)	05h38m07s.94
RA (top/right)	05h39m39s.64
RA (bottom/right)	05h43m01s.60
RA (bottom/left)	05h41m30s.21

Dec (center)	-02°17′43″.8
Dec (top/left)	-02°55′27″.9
Dec (top/right)	-01°26′57″.8
Dec (bottom/right)	-01°39′58″.7
Dec (bottom/left)	-03°08′30″.2

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Horsehead and the Flame Nebula - First Outing

Horsehead and the Flame Nebula - First Outing

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Horsehead and the Flame Nebula - First Outing

Horsehead and the Flame Nebula - First Outing

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