Swansea Astronomical Society Blog

Saturday, December 8, 2012

 

SAS Christmas Lecture at the Waterfront Museum, "Setting Sail to the Stars" by Andrew Lound

The Christmas lacture was given to a full audience by Andrew who came with his wife:


The lecture explored an alternative spacecraft propulsion system that uses the pressure of light to contantly accelerate a spacecraft.


As usual, Andrew's lecture was dramatic:



The lecture was very well attended:



Andrew answered a number of  interesting questions from the audience

Steve Wainwright

 

Star Party At Rhossili Village Hall, Gower

Last night, the Swansea Astronomical Society held a very successful and well attended star party under the black skies of Rhossilli. An exhibition of telescopes was set up inside the spacious buildings until the showers had passed. There were refreshments of tea, coffee, biscuits and mince pies. After the showers had passed, the telescopes were set up outside under skies free of light pollution, with the magnificent Milky Way arching overhead. There were telescopes of a number of kinds with eyepieces and a scope with a camera and video screen for looking at the Orion and Crab nebulae in real time, with a number of people being able to enjoy the view simultaniously.
Nicola Makin used a DSLR adapted so that it is able to "see" the infra-red and used an adapted flash-gun to photograph people and telescopes outside in the dark without disturbing the dark-adaptation of their eyes. These images are almost monochrome, night vision photographs. this technique worked well and will be used again at future star parties:
This event was funded by Rural Development Plan, City and County of Swansea, and the Countryside Council for Wales. The event was supported by Rhossili at the Rhossili Village Hall:

 
 
 
 
 
 
 
 
 
 
Night-Vision photographs
 
 
 
 
 
 
 
 
 
 
 
 
Steve Wainwright

 

Jupiter's Great Red Spot

A DFK21AS camera fitted with a 2.5 x Barlow was attached to a 127mm, f/10 Maksutov. 10,000 frame AVIs were captured as the GRS rotated onto the disk. The AVIs were processed in Registax to obtain the final images. Click on an image to get a larger view. Below is an animation made from the three images:



 
 
 
Steve Wainwright

Thursday, December 6, 2012

 

Jupiter

Two images taken of Jupiter last night. They were both taken through an 11” Celestron and a DBK21 camera. The first image was through a 2.5x barlow and the second through a Tal 3x barlow.





Keith Davies

Wednesday, December 5, 2012

 

66% full, waning gibbous Moon

A Pentax K-x DSLR was placed at the prime focus of 127mm Maksutov and an image was captured in RAW format of the Moon. Click on the image to get a larger view:


Steve Wainwright

Tuesday, December 4, 2012

 

Jupiter and an IR lunar terminator study

A DFK21AS camera, fitted with the lens assembly of a 2x Barlow was attached to an 8", f/10 SCT and a 10,000 frame AVI was captured with off camera debayering. The best 40% of the frames were stacked in Registax 6 to produce the final image:




A Sweex WC067 HD webcam, modified for IR imaging, at the prime focus of an 8", f/10 SCT was set to a resolution of 800 x 600 and controlled by WxAstroCapture which controls the rather unstable driver. 1000 frame AVIs were captured of overlapping areas of the terminator of the 75% full waning, gibbous Moon. The images were stitched together to form a mosaic of a section of the terminator. Click on the image to get a larger view:



Steve Wainwright

Sunday, December 2, 2012

 

Jupiter and the Moon with a 6" SCT and a Philips SPC900NC

A Philips SPC900NC camera was placed at the prime focus of a Celestron NexStar 6SE and an 800 frame mpg was captured in monochrome mode. The mpg was processed in Registax to produce the final image:


The GRS is visible, as is a moon to the right of the planet.

The Moon was also imaged:



Colin Miles

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