The California Nebula in SHO

Image Title: The California Nebula (NGC 1499) in SHO

Copyright: Copyright 2025 by John Hudson

Date image was taken: December 19, 2025

Location: Lawrenceville, GA

Data Acquisition Method: Personal Telescope Setup

Description and Details: The California Nebula (NGC 1499) in SHO from Bortle 7
by John Hudson

Published: Dec 20, 2025

Total integration: 24h 40m

Integration per filter:
- Hα: 7h 30m (45 × 600")
- SII: 8h (48 × 600")
- OIII: 9h 10m (55 × 600")

Equipment:
- Telescope: ZWO FF65 65mm f/6.4 Quintuplet Refractor
- Camera: ZWO ASI2600MM DUO
- Mount: ZWO AM3
- Filters: Antlia 3nm Narrowband H-alpha 2", Antlia 3nm Narrowband Oxygen III 2", Antlia 3nm Narrowband Sulfur II 2"
- Accessories: ZWO ASIAIR Mini, ZWO EAF
- Software: Adobe Lightroom Classic, Adobe Photoshop, Pleiades Astrophoto PixInsight, Russell Croman Astrophotography BlurXTerminator, Russell Croman Astrophotography NoiseXTerminator, Russell Croman Astrophotography StarXTerminator, SetiAstro Automatic DBE, SetiAstro Star Stretch v2.1

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Name: John Hudson

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