NGC896

NGC896 Nebula in Narrowband

Object Info

Type

Nebula

Constellation

Cassiopeia

Distance

7,500 ly

Date

December 9, 2025

Location

Descanso, CA

Exposure

SII 46x15, Ha 40x15, OIII 52x15 (bin 1x1) as RGB

Notes

34.5 hours of exposure collected over 4 nights, using 138 frames.

Optics

DSI RC10C Corrected RC Astrograph

Focal Length

1867mm @f/7.3

Mount

Astro-Physics 1200GTO

Camera

FLI ML-6303E

Focuser

Built-in Secondary Focuser

Filters

Astrodon 3nm Ha, SII, OIII

Software

NINA, PixInsight, Photoshop