Swansea Astronomical Society Blog

Saturday, February 26, 2022

 

Deep Sky Sketches

Using my 8”, f/8 Richie Cretian and ultrastar camera as an electronic eyepiece.

Click on a sketch to get a closer view





Jim Startup


 

Star clusters

Click on an image to get a closer view

Beehive star cluster in Cancer, settings were 1 minute exposure and ISO800 using a Canon 4000D DSLR camera and a 102mm Skywatcher refractor on an Eq5 tracking mount. 

M44, the Beehive star cluster


M35 star cluster in gemini settings were 1 minute exposure with 800ISO using a Canon 4000D DSLR camera attached to a 102mm Skywatcher refractor and on an Eq5 tracking mount. 

M35; NGC 2158  is visisble below M35


Chris Playle


 

M1 The Crab Nebula (NGC1952)

M1 The Crab Nebula (NGC1952) imaged over the 24th/25th Feb in narrowband and RGB using an Atik 320e colour camera attached to an Altair 60EDF doublet refractor fitted with a 0.8 x FR. The image comprises 66 mins of Ha using an Optolong L-eNhance dual narrowband filter and 90 mins of RGB giving a total integration time of just over 2.5 hrs. The Fits files were stacked in DSS and processed in Adobe CS2.

Click on the image for a closer view

M1


Chris Bowden


Friday, February 25, 2022

 

Wide-field night sky images

Moon rising over Pennard Castle, settings were 1/8s 400ISO at f/2.8 and a 50mm lens attached to a Canon 4000D DSLR camera with a static tripod. 

Planet Venus rising over Pennard Castle, settings were 10s 800ISO at f/5.6 and an 18 55mm lens attached to a Canon 4000d dslr camera and a static tripod. 


Aquila rigion, settings were 13s 1600ISO at f/5.6 with an 18.55mm lens attached to a Canon 4000D DSLR camera on a static tripod. 

Cygnus rigion, settings were 13s 1600ISO at f/5.6 with an 18.55mm lens attached to a Canon 4000D DSLR camera attached on a static tripod 


Chris Playle


Wednesday, February 23, 2022

 

The Horsehead and Flame nebulae

Horsehead nebula and the Flame nebula captured with AstroDMx Capture and an SV405CC prototype camera fitted with a 2" Optalong LeNhance filter, a 130mm, f/5 Newtonian mounted on an AVX mount. The camera was cooled to -20degrees Celcius. Clouds prevented capture of more than  a single 4 minute exposure.

Click on the image to get a closer view

The Horsehead and Flame nebulae


Steve Wainwright and Nicola Mackin


 

Deep Sky Sketches

Using my 8 inch f/8 Richie Cretian and ultra star camera as an electronic eyepiece

Click on a sketch to get a closer view






Jim Startup


 

Star clusters

M41 star cluster in Canis Major, settings were 15s and 1600ISO with a Canon 4000D DSLR camera attached to a 102mm Skywatcher refractor and an Eq5 tracking mount.

Click on an image to get a closer view

M41



M35 star cluster in Gemini, settings were 15s and 1600ISO with a Canon 4000D DSLR camera attached to a 102mm Skywatcher refractor telescope and an Eq5 tracking mount.

M35 NGC 2158  is visisble faintly below M35


Chris Playle


 

Orion nebulae with an SV405CC prototype camera and AstroDMx Capture

Orion nebulae captured with AstroDMx Capture and an SV405CC prototype camera fitted with a 2" Optalong LeNhance filter, a 130mm, f/5 Newtonian mounted on an AVX mount. The camera was cooled to -20degrees Celcius. Stack of 55 x 25s exposures with matching dark frames.

Click on the image to get a closer view

Nebulae in Orion; Sh2-279, M42 and M43


Steve Wainwright and Nicola Mackin


Tuesday, February 22, 2022

 

The Rosette nebula

The Rosette nebula captured with AstroDMx Capture and an SV405CC prototype camera fitted with a 2" LeNhance filter, a 130mm, f/5 Newtonian mounted on an AVX mount. The camera was cooled to -20degrees Celcius.

Only 2 x 3minute exposures with matching dark frames could be capture before clouds and then rain stopped the imaging session.

Our reports on the SDK has led to a substantial improvement and the camera performed very well.

Click on the image to get a closer view

Stack of 2 x 3minute exposures of the Rosette nebula


Steve Wainwright and Nicola Mackin


Sunday, February 20, 2022

 

94% waning Moon with a Chromebook and AstroDMx Capture for Chrome OS

94% waning Moon with an ED EKinox Eklipse ED805.5, f/5.5, 80mm refractor mounted on an iOptron Cube Pro AZ mount,Touptek TOUPCAM GPCMOS01200KPF planetary camera fitted with an SVBONY UV/IR cut filter and AstroDMx Capture for Chrome OS running on a HP Chromebook with a Pentium Silver N5030 SOC, 8Gb RAM and 128Gb eMMC Storage.

In the article HERE we show how using a Chromebook with a few more resources that we have previously used enables the use of Tuptek derived cameras and ZWO cameras in AstroDMx Capture for Chrome OS in addition to the SVBONY cameras that could be used in lower spec Chromebooks.

Click on an image to get a closer view

Screenshot of AstroDMx Capture for Chrome OS capturing lunar data with a Touptek planetary camera


All of the processing of the data which involved, Autostakkert!, Microsoft ICE, Registax and the Gimp were done entirely on the Chromebook.

94% waning Moon


Steve Wainwright and Nicola Mackin


 

The Gum nebula with iTelescope

An image I took with three 20 inch telescopes in Siding Spring, Australia, courtesy of i'Telescope's free full moon imaging.

12x300s Ha, 16x300s Oiii, stacked in AstropixelProcessor then processed in Pixinsight. I was using telescopes with varying fields of view so I cropped out the sections that didn't include all the data.

The Gum nebula is part of a supernova remnant in the constellation Vela.

Click on the image to get a closer view

The Gum nebula


Anne Startup


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