The Large and Small Magellanic clouds are satellite galaxies of our own Milky Way galaxy. This is the Small Magellanic Cloud: There is a globular cluster at the image’s top edge – this is...
Category: Blog
SH2-131 – Elephant Trunk Nebula
This is a widefield view of IC 1396, or the Elephant’s Trunk Nebula, in the constellation Cepheus. The Elephant’s Trunk is coming down from the top center of the image and is usually presented...
Flying Bat and Squid Nebula
This is the Flying Bat (red) and Squid (blue) nebula: This is a dataset available from Telescope.Live and represents 46 hours of narrowband imaging. This image was not easy to process because the Squid...
Convert a LRGB/Broadband Image to Narrowband/SHO
Slooh.com offers members broadband imaging, that is, Slooh.com captures images using the LRGB filters. Lately I have been getting into narrowband imaging using Telescope.Live and iTelescope.net. Unlike broadband imaging where colors are fixed, you...
Converting a Green Narrowband Image to Hubble Palette Using a LUT in Photoshop and Photopea
One of the frustrating aspects of narrowband imaging is the amount of exposure time necessary to get a narrowband image with blue, gold, and neutral colors, specifically the colors of the Hubble Palette (SHO)....
Moon During May 15/16, 2022 Lunar Eclipse
This is the moon as it appeared during the May 15/16, 2022 lunar eclipse: The moon was a very dark red, likely due to all of the ash expelled by the Tonga volcano eruption...
Preview FITS files using QuickLook for Windows
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...
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...
Generalized Hyperbolic Stretch Script 2.2 for PixInsight
Update, December 2022: Note that GHS is now available as a fully integrated PixInsight process, providing improved speed and seamless integration with the PixInsight platform. This tutorial covers processing M51 with the GeneralizedHyperbolicStretch process...
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...
