This is a closeup view of IC 443: This nebula is a supernova remnant with the neutron star CXOU J061705.3+222127 causing the nebula to glow. This is a narrowband image and uses the Hubble...
Category: Blog
SH2-188 – The Dolphin Nebula
This is a widefield view of Sh2-188: The nebula is actually an asymmetrical planetary nebula. It is located about 850 light years from us in the constellation Cassiopeia. There’s not much information available about...
Spaghetti Nebula – Sh2-240
This is the Spaghetti Nebula, or SH2-240, discovered in 1952: This is a very dim nebula, which makes it difficult to observe. The nebula is a supernova remnant estimated to be about 3,000 light...
Webinar with UMPQUA Astronomers
I participated in a webinar with the UMPQUA Astronomers club on January 12, 2021. In the webinar, I demonstrated how to use Slooh.com to capture images, complete quests, and various other things. I also...
Processing Images Using PixInsight
Remote astrophotography involves several major activities that include: Planning observations Scheduling observations Downloading images Post-processing images Publishing images Post-processing activities repair, recover, and enhance your remote astrophotography to make your images pleasing to a...
PixInsight Narrowband Processing Workflow
PixInsight offers users a lot of options for processing images. With all of the available options, it can be difficult to figure out which processes to use and in which order to apply them....
Using SCNR With An Inverted Image To Reduce or Eliminate Magenta Stars In Narrowband Images
A common problem in narrowband images, especially using the SHO or Hubble Palette, is magenta-colored stars, or stars that have a magenta halo around them. This article explains how to remove the magenta colored...
Creating A Mask By Extracting The Luminance Component Of An Image
There are cases where all you have is an RGB image, and yet you need to create a mask based on the image. While you could use a RangeMask, using the actual image is...
Jupiter and Saturn Conjunction
This is Saturn and Jupiter along with its moons as they appeared December 20, 2020: Saturn is at the upper-left and Jupiter and three of its moons are at teh lower-right of the image....
Using ICCProfileTransformation To Save Color Space Information
When displaying images, the device displaying the image needs to have an understanding of the color space an image uses to correctly display it on the screen. Saving color space information with your images...
