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5 results on '"AERTS, LEO"'

1. Capturing the MOON in high res: The digital revolution has enabled amateur astronomers to take crisp, clear images that would have been the envy of professionals just a few decades ago

Author

Aerts, Leo and Brasch, Klaus

Subjects
Telescope -- Usage, Astronomical photography -- Innovations, Astronomy
Abstract

Few technological advances have impacted astronomy as much as the digital revolution. That's been true in the professional realm since the 1980s, and it's been true for amateur astrophotographers like [...]

Published
2022

2. Observations of Jupiter's moons: These remote satellites have revealed scant details to earthbound observers for more than 400 years, and offer a great observing challenge

Author

Brasch, Klaus and Aerts, Leo

Subjects
Jupiter (Planet) -- Observations, Jovian satellites -- Observations, Astronomy
Abstract

THE FOUR LARGE satellites of Jupiter, discovered in 1610 by Galileo Galilei, have been viewed by more people than any other planetary satellites besides the Moon. They are favorites at [...]

Published
2020

3. Green flash sequence

Author

Aerts, Leo

Subjects
Astronomy
Abstract

An undulating fleck of green appeared atop the Sun before sunset on October 15, 2016. DETAILS: Nikon D90 DSLR camera at ISO 200 and 180-mm lens with 2x teleconverter. Exposure: [...]

Published
2017

4. 5. Monster

Author

Aerts, Leo

Subjects
Astronomical photography -- Methods, Sun-spots -- Observations, Astronomy
Abstract

This enormous and complex sunspot group makes up active region 2192. On the date of this image its diameter equaled that of Jupiter. Sunspots appear dark because they are cooler [...]

Published
2016

5. READER GALLERY.

Author

Rosen, Scott, Rhemann, Gerald, Collins, Jim, Block, Adam, Aerts, Leo, and Dai, Jeff

Subjects
ASTRONOMY, SPIRAL galaxies, MILKY Way, PICTURES
Abstract

Several photographs related to astronomy are presented including spiral galaxy NGC 4414; mosaic of the Milky Way in the constellation Scorpius; and Bubble Nebula (NGC 7635) which is a cloud of ionized gas glowing.

Published
2016

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