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IC1848 - Soul Nebula The Soul Nebula is a large emission nebula in Cassiopeia, named for its heart-like appearance. It's often imaged with the nearby Heart Nebula. Distance: 7,500 light-years Apparent Size: 150' × 100' Constellation: Cassiopeia Object Type: Emission Nebula (W5) Key Features: - Heart-like shape - Contains multiple star clusters - Part of W5 HII region - Carved by stellar winds - Active star formation Best Imaging Season: September - February Optimal Integration: 15+ hours (Ha)