Swansea Astronomical Society Blog

Saturday, April 9, 2022

 

Lunar imaging with AstroDMx Capture, a Raspberry Pi, an SV305M Pro monochrome camera and a Skymax 127

A Skymax 127 was mounted on an AVX mount and an SV305M Pro camera fitted with an SVBONY IR/UV cut filter. Nicola's AstroDMx Capture for Raspberry Pi OS was used to capture a 2000 frame SER file of the Theophilus region of the 46% waxing Moon.

Click on an image to get a closer view

Screenshot of AstroDMx Capture for Raspberry Pi OS capturing a Lunar SER file


The best 80% of the frames in the SER file were stacked in Autostakkert!, wavelet processed in Registax 6 and post-processed in the Gimp 2.10.

Theophilus region of the 46% waxing Moon


Steve Wainwright and Nicola Mackin


 

A seven galaxy vista in Canes Venatici:

An Altair 60EDF doublet refractor was fitted with a 0.8 FR using and an Atik 320e OSC camera was used to capture some 2 hours and six minutes of data in the region of M106 over the two nights of 26th March and 8th April 2022. Auto guiding was done with an SVbony SV165 guide scope fitted with a QHY5L-II-M mono camera, with auto focusing done via a Primalucelab Sesto Sensor 2 focuser. Thirty 2 minute subs and two 3 minute subs were captured in NINA. Images were stacked in DSS and processed in Adobe CS2. The image shows some seven galaxies ranging from 25 to 364 million light years away! They are: M106 (mag 8.31 spiral 25 Mly), NGC4248 (mag 13.16 – spiral 36 Mly), NGC4217 (mag 11.09 spiral – 61 Mly), NGC4220 (mag 11.26 – spiral 61 Mly), NGC4226 (mag 14.34 - spiral 354 Mly), NGC4232 (mag 14.51 – spiral 356 Mly) and NGC4231 (mag 14.65 – spiral 364 Mly)

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Chris Bowden




Thursday, April 7, 2022

 

The James Webb Space Telescope Zoom lecture

Andrew McLean gave a very well researched, informative and interesting Zoom lecture on the James Webb Space Telescope. The mission details and how the system works were presented in an authoritative and fascinating way. The lecture was followed by questions from members. 


 


Monday, April 4, 2022

 

M51 and open clusters

Captured on 02-02-2022

The images were captured using a William Optics Zenithstat 61mm doublet apo refractor along with a skywatcher heq5 pro mount. The camera used was a ZWO ASI294MC PRO one shot colour camera. These images are unguided and there is no image processing except the auto light stretch feature in the ASIair app. I used an ASIair plus to control the camera and mount. It was connected to the mount via an eqmod cable. The image of M51 consists of 14 stacked 60 second exposures. The other images are M35 & M67 along with an image of the set-up used to capture them.

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Equipment used


M67

M35 and NGC2158

M51

Callum Long


Sunday, April 3, 2022

 

M101, NGC4565, M97

Images taken during the members viewing and imaging night of 2nd April 2022 using the society's 115mm Triplet refractor with an Atik 320e OSC camera. The scope was driven by a HEQ5 Pro mount and guided by an SVbony guide scope fitted with a QHY5-L-II camera with image capture attained using NINA. The images were stacked and processed in Affinity Photo and comprise:

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M101 (Pinwheel Galaxy) 7 x 2 min subs (14 mins total exposure time)


NGC4565 (Needle Galaxy) 30 x 2 min subs (60 mins total exposure time)


M97 (Owl nebula) 5 x 2 min subs (10 mins total exposure time)



Chris Bowden


 

M3 and M13 globular clusters

A Skywatcher Skymax 127 was placed on a Celestron AVX mount and an SVBONY SV405CC OSC was placed at the Cassegrain focus.

Nicola's AstroDMx Capture was used to capture 100 x 25s FITS exposures of each of the globular clusters, M3 and M15 with matching dark frames. The images were stacked in Affinity Photo and post processed in the Gimp and PS elements.

Click on an image to get a closer view

M3


M13



Steve Wainwright and Nicola Mackin


 

M82 an M51

M82 Bode's galaxy and M81 the cigar galaxy. Settings were a 3 minutes exposure and 1600ISO taken with a 4000D DSLR Canon camera attached to a 102mm Skywatcher refractor telescope on a Skywatcher EQ5 tracking mount. 



M51, the whirlpool galaxy. Settings were 3 minutes exposure and 1600ISO with a 4000D DSLR Canon camera and a 102mm Skywatcher refractor, on an EQ5 Skywatcher tracking mount. 


Chris Playle


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