Full resolution – https://astronomy.sucks/#Flaming%20Star%20Nebula/HSS/starless

Acquisition – 23 Hours in HSS Palette

William Optics Redcat 91 · 448mm f/4.9

ZWO ASI6200MM Pro (mono)

ZWO AM5n harmonic mount

ZWO ASI174MM guide camera · 30mm ZWO guidescope

Filters

Chroma LRGB

Chroma 3nm SII · Ha · OIII

Software

NINA — acquisition & sequencing

PixInsight — calibration & processing

Processing Pipeline

Stage 1 — WBPP: SubframeSelector, StarAlignment, LocalNormalization, ImageIntegration, DrizzleIntegration (4x), Autocrop

Stage 2 — Post: GradientCorrection, MultiscaleAdaptiveStretch, PixelMath palette generation, Blurxterminator, NoiseXterminator, StarXterminator

Location

Boerne, Texas · Bortle 5

Viewer

OpenSeadragon deep zoom · VIPS dzsave tiling