CTB1

CTB1 Nebula (Abell 85)

Object Info

Type

Nebula

Constellation

Cassiopeia

Date

November 18, 2022

Location

Little Blair Valley, Anza-Borrego Desert, CA

Exposure

Ha 14x15, OIII 11x15 (bin 1x1) as RGB, R 3x5, G 3x5, B 3x5 for stars

Optics

Takahashi FSQ-106N Refractor

Focal Length

530mm @f/5

Mount

Astro-Physics 900GTO

Camera

FLI ML-8300

Focuser

Robo-Focus

Filters

FLI CFW2-7, Astrodon 3nm Ha, OIII, Gen 2 RGB

Software

Maxim DL, CCDStack, Photoshop