The Valentine's Nebula.

The Heart Nebula, IC 1805, Sharpless 2-190, is some 7500 light years away from Earth 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 showing glowing ionized hydrogen gas and darker dust lanes.
The Heart Nebula is also made up of ionised Oxygen and Sulfur gasses, responsible for the rich blue and orange colours.

Telescope: Takahashi FSQ-106EDX4 (with 0.73x Focal Reducer)
Camera: FLI PL 16083
Mount: Paramount MX+
Filters: Astrodon HSO Filters
Total Integration: 40h 15m

DSS, Pixinsight, Photoshop