Nebulae in Orion - 1/12/2018 (Processed Stack)
Imaged at Perth Observatory.
My first reasonably well tracked outing with this lens and semi-dark skies.
DeepSkyStacker 4.4.1 Stacked 75% (32) of 43 Images ISO 1600 @ 30 Sec, 25 DARK @ 120 Sec, 32 BIAS, 16 FLATS, Post-processed with Adobe Photoshop CC 2018
Pentax SMC Takumar 200mm f/4, 37mm stop ring to f/5.4, M42/EOS adapter, Hoya UV filter, Baader BCF modified Canon 70D DSLR field 381' x 254' , Ambient ~15C. SkyWatcher Star Adventurer EQ mount unguided sidereal drive.
Galactic NebulaMessierM42 Orion NebulaNGCNGC1976 M42 Orion NebulaIC434 Horsehead Nebula and NGC2024 Flame Nebula near Star AlnitakIC
From 2018 Refocusing 2