I’m writing this post from within the Kubuntu operating system. Kubuntu is a variant of Ubuntu, which is a variant of Linix. I decided on Kubuntu because I wanted to see whether PixInsight is...
Forthcoming Book: Title and Update
I have mentioned a couple of times that I am working on a new book. I am pleased to announce I have a title for it: Introduction To the Cosmos. Update: The book has...
Removing Dust Doughnuts From Slooh.com Images Using PixInsight
I have noticed lately that the images I get from Slooh.com have dust doughnuts in them – here is an example: This is the integrated Luminance image from four missions to NGC 246. The...
Automatically Correcting Column Defects Using PixInsight
In a previous article, I showed you how to use PixInsight’s CosmeticCorrection process to remove column defects from an image. In that article, you had to determine the location and length of defects as...
Understanding Slooh.com File Naming
While my book discusses in detail the names of the files Slooh.com produces, this question comes up pretty often, so this article discusses the details. Here are some examples of filenames Slooh.com produces: 180719m225410_20200822_020441_0_vkasfc_l_cal.fit...
Assembling a Mosaic Using Slooh.com PNG Images
In the article Using Astro Mosaic for Slooh.com Telescopes, I explained how to plan a mosaic using Astro Mosaic by Jarmo Ruuth. I also explained how to book missions and briefly explained what you...
Processing A Slooh.com Image For Astrophotography – Part 4
This is the last article in the series about processing Slooh.com PNG images. In this article you’ll learn how to recover an image that has a radial gradient on it. A radial gradient is...
Transit of Mercury Across the Sun – November 2019
This image is a composite of Mercury transiting the Sun during November 11, 2019: This image is made up of a number of images taken using the Slooh.com Solar telescope during the approximately five...
Processing A Slooh.com Image For Astrophotography – Part 3
In this article, you’ll learn how to process a Slooh.com PNG images of a faint nebula by performing a nonlinear stretch on the luminance image using Curves and Levels and you’ll perform a nonlinear...
Comet Neowise Using Slooh.com
This is the famous comet Neowise, or comet C/2020 F3, using aSlooh.com telescope: This was taken using Slooh.com’s Canary Three telescope which as an OSC color camera attached to it. This post provides you...