In another article, called Removing the Color Gradient From Your Images, I showed you how to remove the color gradient from your images. Sometimes the effect produced by that process is too strong –...
Category: Blog
Removing Color Gradient From Your Images
A color gradient is an effect that covers your whole image and can ruin an otherwise good image. Gradients can come from various sources but the most common is light pollution caused by external...
Using FITS Liberator To Create An RGB Image
I have been showing you how to process images completely online using tools like JS9-4L by the MicroObservatory, JS9 by the Smithsonian and available at Slooh.com for its members, and Photopea – the free...
Using Slooh.com’s JS9 FITS Editor To Create RGB Images
A recent update at Slooh.com included a new FITS viewer that’s built right into Slooh.com, the editor is called JS9. Update: JS9 is available outside of Slooh.com as a stand-alone application. While this article...
How Do You Know You Have A Good Image – Interpreting The Histogram
Among the great things about using a remote telescope is that you get access to great equipment at a great location, dark skies, lots of observing nights, and automation so that you don’t have...
Determining The Proximity Of The Moon To Any Target and Any Date
The Moon is probably the second most important thing in the sky when you’re imaging a target. The first most important thing is, of course, your target. The proximity of the moon to your...
Investigating Your Images Using The Aladin Sky Atlas
Aladin is a free, interactive sky atlas that draws data from a broad range of sources, giving you access to a very detailed all-sky view that’s comparable to the most advanced planetarium software. Aladin...
Plate Solving Your Images – What Is It and Why You Do It
Plate solving your images is a process where you find a match between the stars on your own image and an astronomical catalog. Along with the position of the stars in your image, the...
Selecting Objects for High SNR and Great Images
The question I often get asked after someone has been imaging for a while is, “How can I select the best objects in the sky for the highest signal to noise ratio (SNR) so...
Remote Imaging Using The MicroObservatory
I got started in remote observing using the MicroObservatory, which is run by NASA and Harvard-Smithsonian Center for Astrophysics. The service allows anyone to request an observation and provides access to the images and...
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