A common problem with processing FITS images is determining the quality of FITS images you want to include in a stack of FITS images. To determine whether a FITS file is usable, you have...
Category: Slooh
Sun: Active Regions 2993 and 2994
Two new active regions emerged from the Sun’s northeastern limb over the weekend and they are active: The two regions are AR 2993 and 2994 and they have been generating solar flares since they...
Sun: Large Sunspot AR2975 Emerging
A large sunspot is emerging from the Sun’s northeastern limb: The new region is at the upper part of the image – sunspot AR 2975 and the main active region is about the size...
Sun on March 8, 2022 using the MicroObservatory
This is the sun as it appeared on March 8, 2022 using the MicroObservatory telescopes: The active region near the center is AR 2960 and the ones to the right and below the center...
Reducing Noise in a Slooh.com PNG Image using Gaussian Blur
Sometimes the PNG image you get from Slooh.com has a grainy appearance, like the following image: The graininess is noise and can be caused by a number of different things, including the processing preset...
James Webb Space Telescope Animation
This is the James Webb Space Telescope with its sun shield fully deployed: The animation is made up of five observations taken using the Canary Three telescope on January 6, 2022, between 02:00 and...
Sun: AR 2924 doubles in size in a few hours
This part of the sun featuring sunspot AR 2924 just above the center of the image as it appeared on January 5, 2022: This is the same region 24 hours later: AR 2924 reportedly...
Sun: Dec 22, 2021, Featuring 9 Sunspots
The sun is the most active than it has been in years – there are nine active regions on the sun today: Here’s the annotated version: Here’s a brief description of each active region:...
Comet C/2020 F8 – SWAN
This is comet C/2020 F8 SWAN, as observed on April 30, 2020: This image was taken using the Slooh.com Canary 1 telescope and processed using MaxIM DL.
Stretching and Combining Images Using Photopea.com
This article is a continuation of the article Creating an RGB Image Using DeepSkyStacker and GIMP, except instead of using GIMP this article demonstrates how to use Photopea.com, so there’s nothing extra to install...
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