The skies on Thursday evening were for the second time. Very clear. This allowed me to use my Canon 1000D and 200mm telephoto lens, on the Heart Nebula. I shot 24 x 5-minute exposures for this nebula, through an Optilong UHC filter. The Heart Nebula (IC 1805) is an emission nebula located at an approximate distance of about 7,500 light years from Earth, in the constellation Cassiopeia. It is also known as Sharpless 2-190 (Sh2-190) or the Running Dog Nebula because, when seen through a telescope, it looks a bit like a running dog. I have not seen or heard this name before. The nebula has an apparent magnitude of 18.3 and an absolute magnitude of 6.5. It is 150 arcminutes in size and known for its intensely red glowing gas and dark dust lanes forming a shape that resembles a heart symbol. The Heart Nebula forms a famous complex known as the Heart and Soul with its smaller neighbour Westerhout 5, also known as the Soul Nebula, which lies just 2.5 degrees to the southeast. ...
Astronomy and thought's from somewhere in Cheshire