Swansea Astronomical Society Blog

Friday, September 7, 2012

 

Colour saturated images of the Moon and H-alpha solar images

A DFK21 camera was placed at the prime focus of an f/5.5, 80mm apochromatic refractor. Two overlapping images were captured with the camera set to maximum saturation. The two images were combined in Microsoft ICE and the resulting image was saturation increased slightly to produce the final image. Click on the image to get a larger view:


The details in the Sinus Iridum-Plato region of the Moon were obtained by attaching a x2.5 Barlow to the camera:

The different colours reflect the differing mineralogy of the surface of the Moon. It will be noticed that even when imaged at two different scales, the colour variation patterns are identical, indicating that they are real and not artifacts.

A DMK21 camera was placed at the prime focus of a Solarmax ll 60 BF15 H-alpha solar scope. Four overlapping areas of the Sun were imaged to obtain a complete disk. The four resulting images were combined into a single image in Microsoft ICE. The final image was colourised to represent the wavelength being used. Click on an image to get a larger view:


A Trust WB5400 1.3 Megapixel webcam fitted with a neutral density filter was placed at the prime focus of the Solarmax 60 and set to maximum resolution. An 1800 frame AVI was captured exposed for the disk and an 1800 frame AVI was captured at a higher exposure to capture the prominences. The two images were combined and resized to produce the final image:

Click on the image to get a larger view.

Steve Wainwright

 

Jupiter and a DSLR solar experiment

A DBK21 camera was fitted with a 2.5x Barlow and attached to a 120mm ED refractor to image Jupiter:


Detail including the broadened NEB was visible in this image.
A x3 Barlow produced a slightly larger image


A Nikon D800 DSLR camera was placed on a tripod and was fitted with a 420mm lens. A Baader solar filter was placed in front of the lens and this image was captured. Clicking on the image will give a larger view:

Keith Davies




Thursday, September 6, 2012

 

Help get International Dark Sky Status for the Brecon Beacons

Let us help the Brecon Beacons National Park achieve International Dark Sky Status.
An Event is to be held at Craig y Nos to promote this aim.
Click on the Poster to get a larger view


For further details email:
darkskies@breconbeacons.org

 

Megapixel coloured Moon and Jupiter

A Trust WB5400 1.3 Megapixel webcam was fitted with a neutral density filter and placed at the prime focus of an 80mm, f/5.5 apochromatic refractor. An 1800 frame AVI was captured of the 72% waning gibbous Moon with the camera set to maximum saturation.
The AVI was processed in Registax 6 to produce this image. Click on the image to get a larger view:


The saturation was increased on the image to produce the following image:


The areas of different colour have different mineralogical compositions.

A DFK camera was fitted with a x2 Barlow and attached to a 127mm, f/10 Maksutov and a 3 min AVI was captured at 30fps. The seeing conditions were not good but some detail is visible on the planet:


Steve Wainwright




 

The Sun in white light Sept 6th

A DMK31 camera was placed at the prime focus of an 80mm apochromatic refractor fitted with a Baader solar filter to obtain this image:


The following images were taken with the camera attached to a x3 Barlow:




Keith Davies





Wednesday, September 5, 2012

 

81% waning gibbous Moon and Jupiter

A DFK camera was placed at the prime focus of an 80mm f/5.5 apochromatic refractor and 4 overlapping areas of the moon were imaged. The resulting images were stitched together in Microsoft ICE to produce the final image. Click on the image to get a larger view:


The DFK camera was fitted with a x2.5 Barlow and attached to a 127mm, f/10 Maksutov to image Jupiter:

The seeing conditions were not good, but the image does reveal the very broad NEB and the GRS just appearing around the limb of the SEB.

Steve Wainwright

A DBK21 camera was placed at the prime focus of an 11 inch, f/10 SCT and jupiter was imaged:


Seeing conditions were poor but the broader NEB is clearly visible. It is wider than during the previous apparition.

Keith Davies


Monday, September 3, 2012

 

The Sun in white and H-alpha light

White light images were taken through an apochromatic, 80mm refractor using a DMK31 camera.
Prime focus image. Click on an image to get a larger view:


Images using a 2.5x Barlow



A H-alpha PST scope was used with a DBK21 camera to image prominences. The disk and prominence images were combined with Andrew Sprott's Solar layers software.




Keith Davies




 

93% waning gibbous Moon, September 2nd

A DFK camera was placed at the prime focus of an f/5.5, 80mm apochromatic refractor. The camera was set to 60fps. Four overlapping regions were imaged with 7000 frame AVIs. The resulting images were combined in Microsoft ICE to produce the final image. Click on the image to get a larger view.


Steve Wainwright


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