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Hello Astronomers,

I managed to get some time to process another of my images exposed in January/February.

This was the last image when my USB port on my Astro40D failed. This happened while imaging this scene but it happened toward the end of the imaging plan so I got almost the subs that I wanted. The total exposure time was 16 hours and 16 minutes in ISO1600 for all of the subs, RGB, (OSC through the UV/IR Cut filter), HAlpha and OIII.

Imaged through my 8" SCT at f6.3, 1280mm FL on the CGEM mount.

Clear Skies,

MG

 

Horsehead HaO3RGB JanFeb2020.jpg

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Some lovely detail in that image MG

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On 07/06/2020 at 00:03, MartinB said:

Some lovely detail in that image MG

Thank you.. I find it hard to get the crispness I'm after when imaging at this scale.. 1280mm (or 2032mm) focal length need impeccable seeing and atmospheric stillness to get crisp subs.... the best guiding accuracy that I have ever seen on my mount was 0.38" but this image was around the 1" mark...

 

 

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9 hours ago, MarsG76 said:

Thank you.. I find it hard to get the crispness I'm after when imaging at this scale.

Great picutre, l love to see the detail in NGC 2023- it looks 3-D which is great. It is worth trying to add a little bit of sharpen to help with crispness. As long as it isn't overdone, it will tidy up the focus.

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Very nice image well done.

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    • By MarsG76
      I managed to get some time to process another of my images exposed in January/February 2020.
      This was the last image when my USB port on my Astro40D failed. This happened while imaging this scene but it happened toward the end of the imaging plan so I got almost the subs that I wanted. The total exposure time was 16 hours and 16 minutes in ISO1600 for all of the subs, RGB, (OSC through the UV/IR Cut filter), HAlpha and OIII.
      Imaged through my 8" SCT at f6.3, 1280mm FL.
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