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Cone Nebula and Christmas Tree Cluster HaGB


gorann

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I have had this one on the hard drive for longer than usual for me since I was not very happy with the resolution as seeing was not the best before midnight on 11th Feb, but it got better later on but then I was aiming at M95 & 96. Still, now I have had a go at the data. At least I think the colours and the blue reflection nebula turned out quite well, but it is nothing for pixel peepers.

Data collected with my double Esprit rig (still on EQ8) with the ASI1600MM grabbing Ha (Baader 3.5 nm filter, 19 x 10 min, gain 139, offset 50, -20°C) on the Esprit 100 and ASI071MC (63 x 5 min, gain 200, offset 30, -15°C) collecting RGB on the Esprit 150. So totally 8.4 hours. I ended up replacing the red channel with Ha as it looked best, so it is a HaGB rather than HaRGB image.

 

 

20190211 ConeNebHaRGBPS57smallSign.jpg

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