First, we need to create the base color image.
Before Local Normalization existed, PixInsight users relied on clipping. Some old tutorials still refer to a “Linear Reference Link.” pixinsight lerar link
From that night on, Elara Vance never published her findings. But every clear evening, she went to the observatory, opened PixInsight, and whispered into the console: First, we need to create the base color image
: This is the raw state after stacking. The image looks almost black because the brightness values are very low, but the mathematical relationships between pixels are preserved. Non-Linear Data she went to the observatory
, a critical phase in astrophotography processing where data remains mathematically proportional to the light captured by the sensor. Understanding Linear vs. Non-Linear Data