DBXtract major update v1.5 - Forums

Topic starter

Dec 3, 2025

Changelog:

V1.5

Improved OIII extraction pipeline
Band-specific background offset removal
HBeta (Hβ) extraction added
SII combination for SO and SH filters added
Improved OIII combination for HO and SO filters
Refined pixelMath engine and strict output range enforcement
Internal clean-up and stability improvements

Thanks to Christopher Greeley, Imre, Bernd, Mark Shelley and Fran Masip for his collaboration on the update

📷 changelog_v1.5.jpg

OIII, Hbeta abd SII comparisons
📷 so_sh_4.jpg
OIII improvements left v1.5 and right v1.2
📷 b33_antes_despues_o3.jpg

Miguel A.

Dec 4, 2025

Wow, Raul! That is fantastic news! I currently have the HbSII filter, and with the addition of this update alongside the others, I can already imagine the incredible improvements it will bring. This is truly exciting!

Thank you for sharing.

Well Written Respectful Supportive

Raúl Hussein

Topic starter

Dec 4, 2025

Miguel A. · Dec 4, 2025, 01:25 AM
Wow, Raul! That is fantastic news! I currently have the HbSII filter, and with the addition of this update alongside the others, I can already imagine the incredible improvements it will bring. This is truly exciting!
Thank you for sharing.

Thanks, Miguel. Please keep sharing your results with the filter and DBXtract. Not many people have it.

Well Written Respectful Supportive

Kai Hui

Dec 4, 2025

Thanks for the update! Great utility for us OSC dualband images.

Well Written Respectful

Raúl Hussein

Topic starter

Dec 7, 2025

First test of Hbeta extraction. Left: Hb extracted from the SH filter on a color camera; right: Hbeta filter on a monochrome camera. Different telescopes, skies, and cameras.

Thanks to Jose Lausuch and Christopher Greeley

📷 hbeta_versus1.jpg📷 hbeta_versus4.jpg