Horsehead & Flame Ha/HaGB blend (TStew)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Flame Nebula · IC 431 · IC 432 · IC 434 · IC 435 · NGC 2023 · NGC 2024 · Orion B · The star Alnitak (ζOri) · The star σOri

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Horsehead & Flame Ha/HaGB blend

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Horsehead & Flame Ha/HaGB blend

I'm pretty happy how this one turned out, especially using my old Canon 60D. I've only recently tried blending narrowband into OSC and haven't had much success until this image. Originally I was just going to do a duoband image and later thought maybe try adding OSC (unfiltered RGB) stars, I've never tried it before. I didn't get much RGB exposure time, but even with the short bit I decided I liked the Flame a little better as well as a couple of the smaller nebula in the RGB version. Ultimately I just used Ha from the duoband filter and G and B from OSC composited intoL Ha(lum)-HaGB, then added RGB stars on top. I've been having some backlash in my mount recently and loosing a lot of subs (not to mention its been very windy!). It's kind of disappointing I spent 3 nights imaging narrowband, sessions cut short by some trees an hour past transit and after throwing out maybe a quarter of the data due to poor tracking there is only less than 6 hrs left.

Final
Original
B

B

Title: Unfiltered OSC (for stars)

Description: About 1hr of OSC (just used UV/IR cut on my full spectrum 60D) for stars, plus blended in some of the reflection nebula. 1hr was not enough for good nebula but sufficient for stars. Very minimal processing to preserve star detail, but I did stretch pretty hard since I've had better luck with adding stars back after Starnet if the levels are similarly stretched.

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Status	Basic success
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Astrometry.net job	5510197
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Horsehead & Flame Ha/HaGB blend

Horsehead & Flame Ha/HaGB blend

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Horsehead & Flame Ha/HaGB blend

Horsehead & Flame Ha/HaGB blend

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