#Orion Nebula - 4 Panel Mosaic

6 messages · Page 1 of 1 (latest)

brittle halo
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The Orion Nebula - 4 panel mosaic
Had trouble getting pixinsight to get the panels to get stitched together without having some wild gradients in the image, so I put them together by hand, so they may have some imperfections. The last panel that I imaged has less exposure time due to clouds, which is what is causing one star spike to be strange, but oh well. Overall, I'm quite happy with the image.

Details:
Bortle 4
Moon illumination: 0%
2x2 mosaic, with roughly 10 hours of exposure per panel.
Panel 1: 206x180 sec
Panel 2: 206x180 sec
Panel 3: 206x180 sec
Panel 4: 162x180 sec
HDR portion: 300x15 sec
Darks, flats, bias

CarbonStar 150 with 0.95x corrector
ASI533 mc pro, -20℃, gain of 101
Heq5-pro
SvBony SV106 guidescope
ASI120mm Mini
ASIAIR Plus
ZWO UV/IR Cut

Stacked and processed in Pixinsight

OrionMosaicFINAL_RegularV4.png
empty swallow
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Beautiful

waxen trail
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Nice detail! Looks like some great data, I would however recommend not using HDR multiscale transform as it can washout colors and flattens the dynamic range unnaturally. This link is to a great HDR tool that I have used for quite a few projects and it's been great/easy to use.

https://uridarom.com/blog/using-ihdr

iHDR Script – Uri Darom

One of the most difficult targets to process in astrophotography are ones with extremely large differences in brightness. These can include galaxies with very faint halos, or nebulae with very bright cores, such as the Orion Nebula; in all of these examples, the target includes both a very bright inner “core” area, and a faint outer “halo” area....

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Also the new Multiscale Gradient correction tool in Pixinsight might help you with the rough gradients it caused.

agile drum
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this is insane 😮

brittle halo
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Thank you!