Swansea Astronomical Society Blog

John Beer (SAS) gave an engaging and well illustrated talk on Astrophotography. He dealt with progress through the history of astrophotograp...

Stack of the best 90% of 153 Panasonic Lumix DMC-FZ72, 60x optical zoom Bridge camera images of the Sun through an ICE ND100000 solar filter...

I used the PixInsight solar Toolbox process to process; sharpen, change local contrast and colourise a H-alpha solar image. I then used Sola...

A late afternoon gap in the clouds with a very hazy sky allowed the capture of 153 Panasonic Lumix DMC-FZ72, 60x optical zoom Bridge camera ...

Sylvain Weiller's ' Solar Gun ' software can be used to colourise solar images and also to place to-scale images of Jupiter and ...

I reprocessed my IC405 image from Portugal last winter. This time I used the Foraxx palate. Though I did some colour masking and boosted the...

90% waxing Moon: In the early hours of the 8th June, with the moon low down on the horizon partly obscured by cloud, I used my ASI533MM Pro...

This will be my last go at correcting the stars on the Seestar S50 image that had some star trailing that produced horizontally oval stars. ...

I have written three detailed blog articles explaining two distinct but related Gimp workflows that, in addition to the use of other softwar...

The Sun in white light. Stack of 152 bridge camera fitted with an ICE solar filter images. The images were cropped and registered in Nicola...

My image of the Scutum Star Cloud taken with my Rokinon 135mm prime lens mounted on my 1300D DSLR Canon camera and mounted on my Star Advent...

The Sun today in H-alpha light. A 2500-frame SER file was captured by AstroDMx capture using a Coronado II 60 BF15 H-alpha scope and an Alta...

37.5% waxing crescent Moon: - captured during partially clear skies on the evening of the 1st June -  20% of 2,111 frames captured in Astro ...

An ASI 533MM pro camera was used with a Meade Moon filter attached to a Sky-Watcher 80 Esprit fitted with a field flattener and Astro DMx Ca...

I had sparse data on the bottom part of this object, but as I hadn't imaged it before, I was keen to see what a 2 pane vertical mosaic t...

Using Siril scripts for preprocessing and stacking az mosaic data and further processing with Siril, Gimp, GraXpert, Cosmic Clarity and G...

Click on a sketch to get a closer view  Jim Startup

Click on an image to get a closer view Seahorse nebula (LDN 234) :  My first time imaging this dark nebula in Ophiuchus which is not well pl...

 Click on a sketch to get a closer view Jim Startup

A Seestar S30 in EQ mode: The Ghost globular cluster in Boötes, NGC 5466, from 14 minutes worth of 30s exposures. The subs were stacked and ...

 Click on a sketch to get a closer view Jim Startup