IC1871

Part of the Soul Nebula

Object Info

Type

Emission Nebula

Constellation

Cassiopeia

Distance

7,500 ly

Date

December 15, 2025

Location

Descanso, CA

Exposure

SII 47x15, Ha 41x15, OIII 53x15 (bin 1x1) as RGB

Notes

35+ hours of exposure collected over 4 nights, using 141 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