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- A star with 15 < g < 18
- A very bright star with g < 12
- A face-on spiral galaxy
- An edge-on spiral galaxy
- An elliptical galaxy
- An irregular galaxy
- A galaxy with a spectrum
- An asteroid that shows up as a blue-yellow dot
- A “Ghost”
- A meteor
- A very faint star with g > 21
- A very red star with r-z > 1.5
- A star cluster
- A galaxy cluster
- A quasar (hint: look for a red star, then look at its spectrum in the Object Explorer)
- A pair of interacting galaxies
- A very blue galaxy with g-r < 0
- The object with the largest i-z value (the reddest object) you can find!