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Picture

 

LBN603 Dark Nebula in LRGB

28/10/2017

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In the numerous years I have been doing astrophotography, and indeed in the one and half years I have been doing it remotely, this is my very first image of a dark nebula, the LBN603. I was expecting a weak signal from a dark nebula so I expected that perhaps 15 minute exposures would be better than 10 minute exposures. Indeed other images of similar targets showed me people pushing the exposures for longer, so I did the same this time. 
Picture
​​→ View on AstroBin
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​I must admit that I was very impressed with the sheer amount of signal achieved in the end. A testament to e-EyE's​ exceedingly dark night sky, no doubt. This image took 45 hours of total exposure time, with each exposure 15 minutes long as aforementioned. It is a single panel and due to the increased time per exposure, I decided to go for 60 Luminance exposures and 40 exposures for Red, Green and Blue​. 

This image has certainly made me appreciate dark nebulae more and I will be imaging more of them in the future. I just love their intensity variations, intense colour and how they stand above background stars in a kind of ​3D effect. During post-processing's colour calibration stage, I used the PhotometricColorCalibration process with G2V Star selected as white reference. This gave the warmest white balance in the image, closest to what I expected. 
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