SH2-132 - The Lion Nebula in SHO and HOO

This is one of those astronomy targets where I cannot quite make out the relationship between the name and the visual appearance of the object, but nevertheless this is SH2-132 or commonly known as The Lion Nebula.

I think the dark lines near the two dark areas may represent the lions mouth like an upside down Y, but who knows. This region is rich in HII, but also very rich in OIII as you can see by the blue in the image. I have produced both the HOO (Hydrogen Alpha+Oxygen III + Oxygen III as RGB) and the Hubble Palette SHO (Sulphur Dioxide II + Hydrogen Alpha + Oxygen III as RGB)

Image Details:
Acquisition Dates: Aug. 9, 2022 · Aug. 20, 2022 · Sept. 17, 2022 · Sept. 19, 2022 · Sept. 25, 2022 · Sept. 28, 2022 · Sept. 29, 2022 · Sept. 30, 2022 · Oct. 6, 2022 · Oct. 8, 2022 · Nov. 4, 2022 · Nov. 17, 2022 · Nov. 19, 2022
Frames:
Baader H-alpha Highspeed(f/2) 50 mm: 101×150″(4h 12′ 30″) (gain: 100.00) -10°C bin 1×1
Baader O-III Highspeed(f/2) 50 mm: 101×150″(4h 12′ 30″) (gain: 100.00) -10°C bin 1×1
Baader S-II Highspeed(f/2) 50 mm: 101×150″(4h 12′ 30″) (gain: 100.00) -10°C bin 1×1
Integration: 8h 25′ for the HOO and 12h 37′ 30″ for the SHO
Darks: 51
Flats: 51
Bias: 201

SHO Full Res Image: https://www.astrobin.com/full/thrnge/0/

HOO Full Res Image: The Lion Nebula in HOO (STAstro) - Full resolution | AstroBin

Equipment:
Imaging Camera: ZWO ASI Cameras ZWO Astronomy CamerasASI6200MM Pro Gain 100 -10C
Imaging Scope: Sharpstar Optics 20032PNT F3.2 Paraboloid Astrograph
Filters: Baader Planetarium Ultra Fast, Ultra Narrow Ha, OIII and SII 50.4mm filters
Filterwheel: ZWO ASI Cameras ZWO Astronomy Cameras 7x EFW
Guide Camera: ZWO ASI Cameras ZWO Astronomy Cameras ASI290MM
Mount: Sky-Watcher EQ8 Pro German Equatorial Mount
Auto Focuser: Primalucelab Sesto Senso2
Environmental conditions: Primalucelab ECCO2
Observatory Control: PrimaLuceLab Eagle Eagle 4 Pro
Roof Control: Talon RoR
Image Acquisition: Main Sequence Software Sequence Generator Pro
Image Calibration and Stacking: Astro Pixel Processor
Image Processing: PixInsight, EZ Processing Suite and StarExterminator

SHO Version:

HOO Version:

2 Likes

Awesome work, thx for sharing it.

1 Like

Much better than mine!

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