aka NGC 5194 the Whirlpool aka NGC 5195 (left) The Whirlpool Galaxy is a grand-design spiral galaxy, interacting with NGC a dwarf galaxy. Both galaxies are located 23 ± 4 million light-years away in Canes Venatici.
THE CORE OF OUR GALAXY, seen in infrared light by the Spitzer Space Telescope. Blue light is from stars, green light is from polycyclic carbon molecules, yellow and red light is from the thermal glow of warm dust. This image spans approximately 1000 light
Thor’s Helmet Nebula - NGC 2359 (also known as Thor's Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately light-years away and 30 light years in size. The central star is the Wolf-Rayet star HD 56925
That's a LOT of red. The Heart Nebula, IC lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. This is an emission nebula showing glowing gas and darker dust lanes.