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Before this year I had never imaged a globular cluster..... How boring they are I thought, clusters of stars and they must all look the same! Well, how wrong I was. I have now imaged 4 of them and all during periods of full moon - So they are excellent in giving you stuff to image and fill in the gaps for the moon cycle.
The four I have imaged here are hugely different in size and density,despite having been imaged using the same equipment..... I shall never find a glob boring again!!!! An old work colleague told me how much he liked the Iris nebula as it's his Granddaughters name. So I decided to image the Iris nebula again (after 2-3 years) and see how it turns out for him! So far this is 20:45 hours of luminance data. The colour will take some time as the moon is starting to show now and I won't image this with any moon about at all to maximise the data quality.
Onto another project! This is Pickerings triangle in the Veil nebula... This is a 2 pane mosaic and I wanted to just check that the 2 panes fitted together. This has had very little exposure time, so if FAR from a finished target, but you can get an idea at this stage about how it will look in mono at least!
This is a bi colour version of the Herbig Haro objects in the Pelican nebula. Taken with the TMB152, this has a total of 30 hours worth of exposures. All taken from my garden in Spain.
Finally I'm making head roads into this image..... This is 4 completed panes of Ha of a 6 pane mosaic. It's taken 32 hours worth of data so far.... So I've decided that instead of gathering OIII and SII data in the same way, I'll capture that data in the shorter focal length Taks and combine it... will make life much easier!!!
The final version of M13, the Great Globular Cluster in Hercules. This has been taken mostly through the full moon. It;s a combination of 20 hours of data, taken with the Mesu200, TMB152/1200, The Eagle S and the QSI683. This is also the first complete image where I have used the latest APP software for all pre processing, RGB combination and Light pollution removal. You can see more about the image here This is a highlighted view of the Propeller in the Globular cluster M13. This is only Luminance at the moment, I am gathering colour data at the moment.
This looks promising... This is a 6 pane mosaic of the Butterfly nebula. It is only 1x600s in each pane as I wanted to check that it all fitted together before carrying on.
The mosaic was stitched together using the new Astro Pixel Processor software and despite some teething problems with settings it eventually went together well. No visible joins, it looks like this software is going to be very good indeed. M5 is one of the largest known Globular Clusters. I pointed the TMB at it while the moon was too large for anything else. This is 20 hours worth of data..... 30x600s in Lum, Red, Green and Blue. You can read all about it here
There's more clusters on the way!!! |
AuthorSara Wager is an astrophotographer with published articles and images to her name Archives
April 2020
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