IC 443

lxkor

891508

Deep Sky

Aug 15th, 2025

882

IC 443IC 444

Resolution:: 2719x2719 px
File size:: 4772 KB

Show astrometry on hover

Technical information

Telescope/Lens: SharpStar 61EDPH II
Camera: ZWO ASI533MM Pro
Mount: Umi 17 Lite
Guide Scope: Angeleyes 32/125 Guide Scope
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: Mar 18th, 2025

Exposure

21 × 300″ · ISO/Gain: 101 · ZWO Ha · Mar 18th, 2025
32 × 300″ · ISO/Gain: 101 · Antlia OIII · Mar 18th, 2025
24 × 300″ · ISO/Gain: 101 · Antlia SII · Mar 18th, 2025

Total exposure: 6 h 25 m

Photo versions

Current photoUpdated

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).