British Astronomical Association
Supporting amateur astronomers since 1890

BAA Images BAA image gallery Picture of the week

Observation by Nik Szymanek: The Heart Nebula in Cassiopeia

Uploaded by

Paul Downing, FRAS


Nik Szymanek


2019 Dec 30 - 23:11


2020 Jan 04 - 07:13


The Heart Nebula (IC1805)

Planetarium overlay



Field centre

RA: 02h33m
Dec: +61°24'
Position angle: +3°57'

Field size

2°14' × 1°41'

  • WO 73mm refractor
  • QSI 583 wsg CCD camera
  • QSI 583 wsg CCD camera

QSI 583 wsg CCD camera


QSI 583 wsg CCD camera

Target name

IC 1805


The Heart Nebula in Cassiopeia

About this image
The Heart Nebula (IC 1805), also known as Sharpless 2-190, lies some 7500 light years distant and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an emission nebula with glowing ionized hydrogen gas and darker dust lanes. It is 100 light years in diameter.
Files associated with this observation
Like this image
Copyright of all images and other observations submitted to the BAA remains with the owner of the work. Reproduction of work by third parties is expressly forbidden without the consent of the copyright holder. By submitting images to this online gallery, you grant the BAA permission to reproduce them in any of our publications.