IC 443

lxkor

891508

Deep Sky

Feb 25th, 2025

1196

IC 443IC 444

Resolution:: 2735x2735 px
File size:: 3405 KB

Show astrometry on hover

Technical information

Telescope/Lens: SharpStar 61EDPH II
Camera: ZWO ASI533MM Pro
Mount: Umi 17 Lite
Guide Scope: Guide Scope 32/125 f/4
Guide Camera: ZWO ASI120MM
Accessories: ZWO Asiair mini, ZWO EFW-S, ZWO EAF
Software: Siril, GraXpert, Adobe Photoshop

Location: Липецк, Россия

Light pollution

Yellow, Bortle 5 zone

Date taken: Feb 21st, 2025

Exposure

21 × 300″ · ISO/Gain: 101 · Ha · Feb 21st, 2025
32 × 300″ · ISO/Gain: 101 · OIII · Feb 21st, 2025

Total exposure: 4 h 25 m

Photo versions

Updated

IC 443

Aug 15th, 2025

6 h 25 m

IC 443

Mar 19th, 2025

6 h 25 m

Added data on sulfur and tried to combine it into an SHO palette. Also used NINA for shooting control for the first time, after spending several clear nights with it to get the autofocus working correctly (with Asiair everything worked "out of the box", apparently ZWO has some proprietary focusing algorithm).