Twitter Weekly Updates for 2010-04-25
- Flickr: M101 17apr2010 http://bit.ly/bgIUFk #
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Sunday 25 April 2010
Sunday 18 April 2010
M13 17 April 2010
M13 17 April 2010, originally uploaded by ThinkingCamera.
My first chance for the great globular cluser in Hercules. Definitely the best view I have ever had of it, despite it only just rising and well in the light pollution.
I took 40 5-second frames and combined them
20 30-second frames and combined them
10 1-minute frames and combined them
then used these to “combine to HDR” in photoshop. I am pleased with the way you can see stars all the way to the centre and with the resolution achieved in a small telescope.
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M63 April 17 2010
M63 April 17 2010, originally uploaded by ThinkingCamera.
This has to be my best image of a galaxy yet. Not the prettiest of galaxies, but there is quite a lot of detail in the image.
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M101 17apr2010
M101 17apr2010, originally uploaded by ThinkingCamera.
It was a remarkable night. The sky was empty of planes due to the volcanic plume from Iceland and the sky was literally a flawless blue all day but a little milky and pale rather than vivid blue. The night sky looked orange or even brown and was remarkably light but the seeing was good (the air was steady). I took the opportunity and was pleased with the results. This galaxy in Ursa Major is a struggle, I have found out, but it is a very interesting shape.
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Twitter Weekly Updates for 2010-04-18
- Flickr: M3 reprocessed http://bit.ly/9fItAH #
- Flickr: M3 on 12Apr10 http://bit.ly/cSXSKo #
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Tuesday 13 April 2010
M3 reprocessed
M3 reprocessed, originally uploaded by ThinkingCamera.
Another version from the data I captured on 12 April 2010. I did much less this time (there is a moral there!). It was stacked (40 ten second exposures were “sigma” combined which removes anything which is not on all the exposures – e.g. noise – and combines what is there to make it brighter. I then applied DDP and some levels before moving it to Photoshop, using Angela’s actions for vignette removal and to increase colour and sharpen. Final step was to size it for a 7inch x 5inch print – which is larger than the Atik 16ic camera can really do, but I think this image can take it.
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Monday 12 April 2010
M3 on 12Apr10
M3 on 12Apr10, originally uploaded by ThinkingCamera.
A quick and dirty edit – the globular cluster M3 taken on a windy but clear night. I used a large number (about 40) images but each with only a 10 second exposure – the technique works.
This version has lost something – hurried development. I will work on it some more and re-post.
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