SUNSET: 
Observing Galaxies: Spiral, Elliptical, and Irregular
Trained eyes and clear, dark skies can open up a new dimension in deep-sky observing.
Names of Deep-Sky Objects
Expert observer Brian Skiff explains NGC, UGC, and everything in between.
Trained eyes and clear, dark skies can open up a new dimension in deep-sky observing.
Expert observer Brian Skiff explains NGC, UGC, and everything in between.
