NGC 7000 - North America Nebula. Shot with Ha/OIII and SII/OIII narrowband filters. Quite a difference from my first go at the target and processing in Siril.

See below for stacked and stretched, and sample sub-exposures for each filter.

  • Acquisition Date(s): 8-10 July 2025

  • Camera: ASI2600MC

  • Filters: Optolong L-Ultimate and Altair Astro SII/OIII 3nm

  • Exposures: 55x300s (L-Ultimate) and 39x300s (Altair)

  • Total Time: 7 hours and 50 minutes

  • Processing: PixInsight

L-Ultimate - All 55x300s exposures stacked and stretched

L-Ultimate - One 300s frame

Altair SII/OIII 3nm - All 39x300s exposures stacked and stretched

Altair SII/OIII 3nm - One 300s frame