Pacman Nebula
The Packman Nebula (NGC 281) is an emission nebula in Cassiopeia. It is about 4,100 light years away and is about ½ degree by ½ degree so roughly the same […]
VSP 9: Season Premiere
After a couple of false starts thanks to the fires out west, the fall season of Virtual Star Parties is finally here! I was happy to be asked back and […]
Pickering’s Triangle & Western Veil – HOS
Earlier this month I did an HOO narrowband version of […]
Western Veil & Pickering’s Triangle
Back in 2018 I was incredible excited to take my first image of the veil nebula. It wasn’t very good though I was pretty excited about it at the time. […]
When SNR Goes Bad
This is a follow on to the previous video on subframe approval. In this one, we take a look at why you using SNRWeight as part of subframe approval is […]
Subframe Approval
This video explains how to use the subframe selector process in PixInsight to decide which frames to keep and which to discard.
Leo Triplet
This was an image that was posted before its time. My original intent was to get eight hours each of red, green and blue and then try some hydrogen alpha […]
Multisession WBPP
PixInsight’s Weighted Batch Preprocessing script is great for handling the preprocessing for an image acquired in a single night but doesn’t handle images acquired over multiple nights. This video shows […]
M81 & M82
Near the start of my astrophotography journey I did an image of M81 & M82 using a DSLR and a 200mm lens. It wasn’t very good though I was quite […]
Soul Nebula
The Soul Nebula is an emission nebula in Cassiopeia. It almost certainly gets its name because of its proximity to the Heart Nebula in the sky and not due to […]
The Hole In The Trees Skybox
The Hole In The Trees Skybox is the backyard observatory of Kevin Quin. Kevin was kind enough to allow me to come in and tour his observatory and pester him […]
My First Narrowband Image
Last month I finished my first narrowband image. Since then the weather has been almost entirely overcast with a lot of rain. To do something constructive with the enforced downtime […]
IC 5068
IC 5068 is a nameless emission nebula that is near the Pelican Nebula in Cygnus. This image shows just a part of it. The image is a bit over 14 […]
PixInsight Comet Processing – Failure & Alternative
When I saw that Comet C/2017 T2 (PANSTARRS) was going […]
M33 HaRGB
A few weeks ago I posted an image of M33. Then the hydrogen alpha filter I had ordered finally came in and I was curious to see what adding in […]
Rosette Nebula
The Rosette Nebula is one of the iconic deep sky objects of the deep sky. It’s also the official state astronomical object of Oklahoma. We both learned something new today! […]
