This is asteroid 1998 OR2 during its closest approach to Earth, taken April 28, 2020: Asteroid 1998 OR2 was about 3.9 million miles (6.3 million kilometers) away from us, or about 16 times further...
Category: Blog
Carina Nebula
This colorful image is the Carina Nebula, or NGC 3372, or the Eta Carina Nebula. This nebula is home to a number of interesting stars and star systems. Trumpler 14 is an open star...
Barnard 92
This is Barnard 92, the dark region in the center of the image. Rather than an absence of light, the dark region is actually a dark nebula that’s blocking out the light coming from...
NGC 2818
NGC 2818 is a planetary nebula in the Pyxis constellation. The nebula is made up of glowing gasses from the central star’s outer layers that were ejected when it ran out of fuel to...
NGC 3532
NGC 3532 is an open cluster of stars in the Carina constellation and it is about 1,300 light years from us. This cluster is made up of many different stars that include white dwarfs,...
Westserlund 1
This is Westserlund 1, also known as the Ara Cluster – this is the wide field view: The colors in this image are great – blue, red, and yellow stars throughout, plus the presence...
NGC 6729 in Corona Australis
This is NGC 6729 and friends located in the constellation Corona Australis, a very relevant name in these times. Corona is Latin for the word “crown”, so Corona Australis is also known as the...
Hickson Compact Group 40
This is Hickson Compact Group 40, or HCG 40: A Hickson Compact Group is a grouping of galaxies that are relatively isolated, meaning that they are not part of a larger system, and are...
NGC 1850 and Friends
This is NGC 1850 and friends. NGC 1850 is at the center of the image, NGC 1855 is to the left (SE) of NGC 1850, and NGC 1858 is at the right side of...
Creating an Animated GIF in AstroImajeJ and GIMP
Images of asteroids and comets are interesting but are even more so when you can see the object moving against the background stars. In this tutorial, you’ll learn: How to create an animated GIF...
