IC 1805 — Heart Nebula · IC 1805

The Heart Nebula — a vast hydrogen cloud in Cassiopeia shaped by the young star cluster Melotte 15 at its core. An early wide-field broadband attempt at this very faint, two-and-a-half-degree-wide target.

The Heart Nebula (IC 1805) in Cassiopeia — a faint wide-field broadband image with the young cluster Melotte 15 near the centre

● initialising deep-zoom…

acquisition · tap to expand

TargetIC 1805

TypeNebula

RA02h 32m 42s

Dec+61° 27′ 00″

Captured2025-09-12

Integration~180 s subs over two nights

Frames~180 s subs

FiltersNone — DSLR broadband

Processing notes

Stacked in Siril with star reduction, finished in GIMP. Nikon D750 on the 50/90 mm finder scope, EQ5 Pro SynScan GoTo. Faint broadband data — would benefit from an Ha filter and longer integration.