Choosing A Telescope
Telescope Aperture Considerations
Introduction to Planetary Sketching
Refractor Dobsonian Style Mounts
The Bonds: Pioneers of American Astronomy
Saturn's Encke Minima and Encke Division
Nature and Travel Photography
Recommended Astronomy Books
Comet Hyakutake, March 27th, 1996
Original drawing made using white pencil on black paper:
Same drawing on a white background:
Comet Hyakutake March 27, 1996, 3:40 - 4:05 UT, seeing 6, transparency 5.5. Field of view: 2.75 degrees.
Astro-Physics 4.7" (120mm) f/8.5 (Star 12ED) on alt-az mount. Magnification 18x.
Coma very large and bluish-green in color. Pseudo-nucleus of comet was whitish-yellow in color. Gas and dust tail very prominent, with a feathery component to dust tail.