Horsehead Nebula in Orion	M16, M17, NGC 6611 & 6618, the Omega Swan Nebula in Sagittarius	M42 Great Nebula in Orion	NGC 6543 A Planetary Nebula in Draco
FIG. u-01	FIG. u-02	FIG. u-03	FIG. u-04
by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific
M27, NGC 6853 Dumbbell Nebula in Volpecula	M57 Ring Nebula in Lyra	NGC 7835 Bubble Nebula in Cassiopeia	M1, NGC 1952 Crab Nebula in Taurus
FIG. u-05	FIG. u-06	FIG. u-07	FIG. u-08
by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific
NGC 6992 BridalVeil Nebula in Cygnus	Milky Way-Sagittarius region with meteorite streak	M33, NGC 598 Pinwheel Galaxy in Triangulum	M51, NGC 5194 Whirpool Galaxy in Canes Venatici
FIG. u-09	FIG. u-10	FIG. u-11	FIG. u-12
by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific
3C273 Quasar in Virgo	Earth viewed from space	Mars	Jupiter from Voyager 1
FIG. u-13	FIG. u-14	FIG. u-15	FIG. u-16
by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific
Saturn	Sun in H-Alpha light	.	.
FIG. u-17	FIG. u-18	.	.
by: The Astronomical society of the Pacific	by: The Astronomical society of the Pacific	.	.