Swansea Astronomical Society Blog
Friday, May 1, 2026
Reprocessed Crescent nebula
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Captured with the Dwarf mini in EQ mode with 90s exposures. 80 images were stacked. Processed in Stellar studio and Lightroom, further pr...
Thursday, April 30, 2026
The Sun in white light
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A 6 minute RAW AVI of the Sun was captured with a Seestar S50 fitted with a Baader solar filter. The best 50% of the frames in the AVI were...
The Sunflower galaxy, M63
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Two hours worth of 90s exposures were captured of the Sunflower galaxy. The images were live stacked and the stacked image processed in Stel...
The Ring nebula
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Image of the Ring Nebula taken with a Dwarf mini using EQ mode at 90s exposures. 35 images were stacked. Editing in Stallar studio and Light...
Wednesday, April 29, 2026
The Sadr region, the Crescent nebula, the North America and the Pelican Nebulae
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Click on an image to get a closer view The Sadr region taken with the Dwarf mini,on EQ mode at 90s, processed in Stellar studio and Lightro...
Coddington's Nebula
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Coddington's Nebula, IC2574, is a dwarf spiral galaxy in Ursa Major. This image is 6 1/2 hours of LRGB data. Click on the image to get a...
The Headphone Nebula, a supernova, The Sun and the Moon
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Click on an image to get a closer view The Headphone Nebula : This beautiful planetary nebula in the constellation Lynx is reminiscent of ou...
Tuesday, April 28, 2026
The Cocoon Galaxy NGC 4490
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Click on the image to get a closer view. The Cocoon Galaxy NGC 4490 is a barred spiral galaxy in Canes Venatici. This is an LRGBHa image co...
86.1% waxing Moon
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Click on the image to get a closer view. 86.1% waxing Moon, A Seestar S50 was used to capture a 6 min RAW AVI. PlanetarySystemStacker was us...
Supernova in NGC5907
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At Fairwood tonight I captured NGC5907 (Splinter Galaxy) which has recently had a supernova! Thanks to Chris Bowden for the tip off! Gaynor ...
Monday, April 27, 2026
Using Luminosity Masks to Edit and Improve Astronomical Images
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Luminosity Masks are available in Photoshop and Gimp. They are a tool I have used in Landscape Photography processing many times. I have bee...
The Sun in white light
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A Seestar S50 fitted with a Baader solar filter was used to capture a 6 min (4133 frames) RAW AVI. PlanetarySystemStacker was used to debaye...
Sunday, April 26, 2026
Recent Seestar S50 results
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Click on an image to get a closer view 58.5% Moon Best 50% of frames in a 5 min RAW AVI stacked in Autostakkert!4, wavelet sharpened in wave...
M13
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Image of M13 captured with the Dwarf mini in EQ mode at 60s exposure 95 images were stacked. The stacked image was processed in Stellar stud...
The Leo triplet
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Combination of 1h of 5 min exposures through an IR/UV cut filter and 1h of 5 min exposures through a quadband filter of the Leo triplet. Cap...
M63
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M63, the Sunflower galaxy, imaged over 3 nights last week. 66 x 2 minute luminance and 22 x 2 minute exposures for red, green and blue. I us...
NGC 7000
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NGC 7000 the North America Nebula and the Pelican Nebula. Captured with a Dwarf Mini in EQ mode at 90s exposure. 41 images were stacked. Pro...
Deeps sky and Solar imaging
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Click on an image to get a closer view A lonely Lyrid: During the night of the peak of the annual Lyrid meteor shower, I set up my Sony ZV-E...
M109
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M109 and friends 23/24-4-26 (combined data from both nights): 4.5 hrs total integration of LRGB/Ha data taken over two nights with a Sky Wa...
First light with a tiny scope
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First light with a tiny scope: Smart scopes have been getting smaller and smaller and when I saw such great results from images taken with ...
Friday, April 24, 2026
M3
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M3 Globular star cluster taken with a Dwarf Mini in EQ mode. 60s exposures. 108 images were stacked. Processing in Stellar Studio, and Gimp ...
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