Saturday, November 1, 2025

The lobster claw nebula region

AstroDMx Capture was used with an SV605CC OSC colour CMOS camera and an Altair Starwave ASCENT 60ED doublet refractor with 0.8 reducer/flattener and a Pegasus Focuscube v2. An Altair 2” magnetic filter holder version 2 containing an Altair quadband filter was placed in the optical train. 26 light frames, 5 dark frames, 50 bias frames, 50 flatfields and 50 dark flats were captured. The data were calibrated, debayered, stacked and part processed in PixInsight and completed in GraXpert, Seti Astro Suite Pro Cosmic Clarity and Gimp. A Pixinsight Cosmic Photons script was used to Generate a Hertzprung Russel diagram of the stars in the image.

Click on an image to get a closer view.

Hertzprung Russel diagram of the image stars


The Lobster claw nebula region

Annotated image

A full write-up including all of the images can be seen HERE.

Steve Wainwright and Nicola Mackin.

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