Swansea Astronomical Society Blog

Saturday, January 21, 2012

 

M51 using itelescope.net

This image was obtained using the facilities at itelescope.net
Take a look at the link to find out more:
http://www.itelescope.net/


Tom Bradley

Friday, January 20, 2012

 

Star Party at the Waterfront Museum in Swansea tonight

The Swansea Astronomical Society held a successful star party at the Waterfront Museum tonight despite the sky being clouded out. The Museum staff members Miranda Berry and Andrew Kuhne helped set up the Partnership with the Swansea Astronomical Society to put on the event:


Members of the Swansea Astronomical Society put on displays of Telescopes, images, displays, Lectures and information in the spirit of Stargazing Live.
The following images show various SAS members interacting with visiting members of the public






























250 people attended and it was enjoyed by all.

Steve Wainwright

Tuesday, January 17, 2012

 

Jupiter, Mars and the Orion Nebula

An 11", f/10 SCT was used in conjunction with a DBK21 camera with a x 2.5 Barlow to image Jupiter and Mars
Jupiter


Mars


M42 was imaged at prime focus using a Nikon D700 DSLR.
The image is the result of stacking 3 x 5 min exposures and 1 x 10 min exposure, using Deep Sky Stacker.

Click on the image to get a larger view.

Keith Davies

Monday, January 16, 2012

 

The Moon last night and the Sun today

A DMK camera fitted with an IR/UV cut filter was placed at the prime focus of a Coronado Solarmax ll 60 BF15. 4000 AVI frames were captured in each of four overlapping quadrants.
The 4 resulting images were combined into a mosaic:


The lens assembly from a x2 Barlow was fitted to the DMK and 4000 AVI frames were captured of the disk containing AR1401 and AR1402. Also 4000 frames were captured of the prominences emanating from the solar limb in the same region. The two resulting images were combined using Andrew Sprott's Solar Layers program.


The same camera fitted only with the IR/UV cut filter was placed in a x 2.5 Barlow and the same procedure was followed


Earlier, at 5am, the afocal equipment with the 12Mp Vivitar fixed-focus camera and a 15mm ultra wide-field eyepiece was used to image 7 overlapping sectors of the 51% waning, last quarter Moon. The resulting images were composited into a mosaic.
Click on an image to get a larger view:


The same equipment, using a 9mm, ultra-wide eyepiece was used to image overlapping sectors along the terminator which were composited into a mosaic.
Click on the image to get a larger view:


Steve Wainwright
 

The Horsehead Nebula with an 80mm APO refractor

5 x 2min luminance subs were captured of the Horsehead Nebula through a guided Williams Optics 80ll refractor with a Starlight Express MX716 camera. Also 5 x 1min subs were captured through each of red, green and blue filters. The results were combined into this LRGB image:


Anne Startup

Sunday, January 15, 2012

 

Venus and Jupiter

A Philips SCP900NC fitted with a UV/IR cut filter was fitted to a 2.5 x Barlow and placed in the focuser of a 127mm, f/10 Maksutov. 8 x 1800 frame AVIs of jupiter were captured at 10fps at intervals. The resulting images were combined into an animation showing rotation of the planet:

Io can be seen moving over the disk as the planet rotates.

The lens assembly from a x2 Barlow and a UV/IR cut filter was fitted to the camera which was placed in a 2.5 x Barlow attached to the Maksutov. 8000 AVI frames of Venus were captured and the best 2000 frames were registered and stacked in Registax.
The resulting image of Venus showed atmospheric chromatic dispersion:


The image was processed with Andrew Sprott's Colour Alignment Processor to realign the colour channels:


Venus is showing a gibbous phase.

Steve Wainwright
 

M74 through an 80mm apochromatic refractor

Five, 2 min subs were captured of M74 through a guided Williams Optics 80ll refractor with a Starlight Express MX716 camera. The subs were stacked to produce this image:


Anne Startup
 

Mars and an afocal 63% waning, gibbous Moon

An SPC900NC webcam fitted with a UV/IR cut filter and the lens assembly from a x2 Barlow was placed in a 2.5x Barlow attached to a 127mm, f/10 Maksutov. 6000 avi frames were captured at 10fps and the best 2000 were stacked to produce the final image. Atmospheric dispersion was removed with Andrew Sprott's Colour Alignment Processor.


The Moon was imaged afocally using the Vivitar T027 fixed-focus 12Mp compact digital sub 30 GBP camera and a 127mm, f/10 Maksutov. A 15mm ultra-wide and a 9mm ultra-wide eyepiece were used with an afocal mount to acheive two different magnifications.
Image using the 15mm eyepiece made by compositing a number of overlapping images using Microsoft ICE:

Click on an image to get a larger view.

Image using the 9mm eyepiece:

There was very little vignetting evident in this image.

Steve Wainwright

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