Thread: Gum 15
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Old 02-03-2019, 08:10 PM
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Paul Haese
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Join Date: Jan 2009
Location: Adelaide
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Gum 15

I was lucky enough to pick up the data this Lunar cycle on this object. Not before I had to change the old fan on the STXL, which gave up the ghost. One day it was working and the next the camera would just stop cooling at around 0 and -8C. I have jury rigged a temporary tacho fan whilst I await the arrival of the correct size and output fan. That means only imaging at -15C. An interesting proposition in SA at present with many night time temps of the last week and a half being at somewhere between 23-33C.

This image is of Gum 15 which is located in the constellation of Vela. It is a star forming region and is commonly referred to as the Southern Trifid. The bright star in the centre is actually a double star (which can be seen easily in Ha data but not the broad band light) which is shaping the dust and gas within the region due to its strong winds.

The image is an integration of 25 hours which has about 12 hours of Ha data. I also took luminance to add to the image and give it a much nicer overall look.

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