Vast satellite constellations are alarming astronomers
On may 24th 2019 a Falcon 9 rocket built by SpaceX launched 60 communication satellites into a low orbit around the Earth. That evening they appeared as a string of…
This image shows a comparison of the new image (top) of the western wall of the Carina Nebula taken by the international Gemini Observatory, a Program of NSF’s NOIRLab, and an image of the same region without Adaptive Optics (bottom). The top image was taken with the Gemini South telescope with the GSAOI instrument using the GeMS adaptive optics system, and the bottom image was taken at the Cerro Tololo Inter-American Observatory with the Víctor M. Blanco 4-meter Telescope using the NEWFIRM instrument.
Comparison of images with and without Adaptive Optics
Adaptive optics control the surfaces of a telescope's optic - often the main mirror - to take into account the turbulence in the Earth's atmosphere. By doing this, the distortion…
Goodbye Aberration: Physicist Solves 2,000-Year-Old Optical Problem
Goodbye Aberration: Physicist Solves 2,000-Year-Old Optical Problem When you look through your viewfinder and things seem a little bit blurry or lacking definition, it's probably because you are using an…
Montage – Image Mosaic Software for Astronomers
Montage - Image Mosaic Software for Astronomers Montage is a toolkit for assembling Flexible Image Transport System (FITS) images into custom mosaics. Key features for end users are: Source:…
Sony’s Next Full-Frame Sensor to Offer 60MP, 8K, 16-Bit RAW: Report
Sony's Next Full-Frame Sensor to Offer 60MP, 8K, 16-Bit RAW Sony's Next Full-Frame Sensor to Offer 60MP, 8K, 16-Bit RAW: Report Here's a peek of what's to come in the…
Testing ON1 Photo RAW for Astrophotography
Testing ON1 Photo RAW for Astrophotography Can the new version of ON1 Photo RAW match Photoshop for astrophotography? The short TL;DR answer: No. But … as always, it depends.…
Testing the Sony a7III for Astrophotography
Testing the Sony a7III for Astrophotography Testing the Sony a7III for Astrophotography I put the new Sony a7III mirrorless camera through its paces for the features and functions we need…
Nikon D850 cooled camera for astrophotography
New: Nikon D850 cooled camera for astrophotography | Nikon Rumors New: Nikon D850 cooled camera for astrophotography | Nikon Rumors The first Nikon D850 cooled camera for astrophotography is…
How Juno’s Breathtaking Jupiter Images Are Made
How Juno's Breathtaking Jupiter Images Are Made Jupiter's sandy swirls and blue-hued poles are visible even from Earth. But the Juno spacecraft's crisp and colourful images begin as warped and…
CCD versus CMOS: Which is Better?
Great explanation - make sure you click through the link and read the entire article! CCD versus CMOS: Which is Better? - Diffraction Limited We’re often asked whether CMOS…
How to Photograph the Milky Way Bow
In this article, we will take a closer look at how to photograph the Milky Way bow. I wrote this guide from the point of view of a person who…
How to Focus for Night Photography
One of the biggest challenges I faced when I first became interested in night photography was getting my images in focus. I would take shot after shot each time adjusting…
The benefits of adding more subs to your stack
A good guide about the advantages of image stacking for DSLR astrophotography The benefits of adding more subs to your stack Adding multiple exposures to create a single image…
M31 pic
It's a hot, rainy Saturday afternoon in Sydney so what the hell, there's an old pic of M31 I took some time ago.