Category Archives: Astronomy

So there be aurora borealis in Minnesota. I wonder when New York ever get a chance.

8 x 40 8 x magnification & 40mm diameter objective lens. Sky and Telescope Guide.

A couple of weeks ago, I attempted a brief view of Saturn with my ETX-80 AT telescope. I used low power and I couldn't see the ring that well. Must have been the atmosphere. It was windy too that my … Continue reading →

All the nebulae in the Northern Cross shown in this take, move mouse over for descriptions: NGC 7000 = North America IC 5070 = Pelican IC 1318 = Butterfly NGC 6888 = Crescent Sh2-101 = Tulip NGC 6960 = Veil … Continue reading →

Blink comparator, made welknown by Pluto discoverer Clyde Tombaugh in 1930, originated from the early 1900s. Carl Purfrich invented the stereo-comparator in 1900 and in 1904 he added a monocular microscope attachment to the comparator due to his lost of … Continue reading →

After watching Jason Kendall piloted the galaxy with Hayden Planetarium's FREE software, the Digital Universe Atlas, I am inclined to install that software again, now that I am sure it works (I gave up before because I supposed that the … Continue reading →

Added a new astrophotograph to my album. Thanks to my new more portable telescope MEADE ETX-80 ($210), I can now easily set it up at night or even in my room to get a quick glimpse of the Sun. The … Continue reading →

For all ground-based telescopes: Adaptive Optics: Technology in telescope mirror that can bend in ways that adjust and cancel out small distortion caused by atmospheric pressures. Liquid Mirror Telescopes: Spinning liquid mercury on a base so that it would have … Continue reading →