image processing

Posts about image processing

Beyond The Hubble Palette

On Sunday night, September 13, 2020, I was delighted to present on The Astro Imaging Channel. My top was about looking beyond the most common narrowband data combination, the Hubble […]

astrophotography

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 […]

astrophotography

Subframe Approval

This video explains how to use the subframe selector process in PixInsight to decide which frames to keep and which to discard.

astrophotography

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 […]

astrophotography

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 […]

astrophotography

PixInsight Comet Processing – Failure & Alternative

When I saw that Comet C/2017 T2 (PANSTARRS) was going […]

astrophotography

Determining Offset

In the last video we talked about how to determine what the optimal exposure level was. That method depended upon knowing what your cameras exposure offset is. If you don’t […]

image processing

How To Determine The Optimal Subexposure Level For Astrophotography

Many beginning astrophotographers are confused about how long each of […]

astrophotography

The Astro Imaging Channel Workshop

I was honored to be invited on to the weekly YouTube program, The Astro Imaging Channel, to do a short presentation on how I processed M13 data that was made […]

astrophotography