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SH2-135 in Cepheus

📷 Keith Mombourquette 🌌 SH2-135 Nebula 📍 Osprey's Nest Observatory - Southampton October 4, 2026

About This Image

This one was a real struggle. I have lots of good data, but I could not get colours that did not sicken me. I tried SHO, HOO+S, (H+S)OO, and Dynamic Combination. Nothing worked. Finally I stretched the H,S,O channels on their own and tried various combinations even using Perfect Palette Picker. Looking at the stretched masters I realized that there was almost no signal in the Oiii. So, I tried HSS - finally got something I could work with! This one is in Cepheus and sits about 4500 LY from earth.

22h 30m
Integration
3
Likes
31
Views

🔭 Equipment

Telescope / Lens Askar 107PHQ
Mount ZWO AM5N
Filters Antlia LRGB
Accessories ZWO EFW, EAF, OAG ASI174MM, Svbony 241
Software NINA, PHD2, Windows Remote, Pixinsight

👤 Astro Imager

Member Keith Mombourquette
Posted Oct 4, 2026

🔭 See It in the Sky

Explore where SH2-135 sits in the night sky and compare it with professional survey images. Drag to move, scroll or pinch to zoom.

Loading sky atlas…
Visible light from the Digitized Sky Survey (Palomar & UK Schmidt telescopes).

Sky atlas: Aladin Lite, CDS, Strasbourg Astronomical Observatory, France. Survey imagery © the respective survey teams.

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