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SH2-112 is embedded in the rich star fields of the northern Milky Way, forming part of a larger complex of ionized gas and dark dust. The region is a classic H II nebula, where energetic ultraviolet radiation from young, massive stars excites surrounding hydrogen, causing it to glow in deep reds and subtle magenta hues.
SH2-112 appears as a soft, diffuse cloud with gentle arcs and filaments of glowing gas, partially veiled by dark interstellar dust. Its structure hints at ongoing star formation, with faint, uneven illumination revealing the turbulent interactions between stellar winds and the surrounding medium.
Technical Details
Telescope: Celestron C8 SCT (8″ Schmidt-Cassegrain) with Celestron 0.63 Focal Reducer
Auto Focus: Celestron Electronic Auto Focuser
Astronomy Camera: ZWO ASI533MC Pro
Filter: Optolong UV-IR cut filter; 180 exposures @ 60 seconds each (3 hours)
Filter: Optolong Lenhance Dual Narrowband Ha/Oiii Filter; 156 exposures @ 5 minutes each (13 hours)
Total Integration Time: 16 hours
Off-Axis Auto Guiding: ZWO OAG-L
Auto Guiding Camera: ZWO ASI174MM Mini Guide Camera
Telescope Mount: Celestron Equatorial Mount
Telescope Computer: BeeLink GK-55 Mini PC / Windows 10 Pro
Wireless Communication: GL-iNEt Beryl Travel Router
Telescope Control & Image Capture Software: Nighttime Imaging ‘N’ Astronomy (N.I.N.A.)
Image Integration Software: Astro Pixel Process, by Aries Productions
Image Post Processing Software: PixInsight, by Pleiades Astrophoto
Images captured in Palm Springs, CA during July 2023. Dark sky classification = Bright suburban sky (Bortle 6).