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Old 06-04-2018, 12:55 AM
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AstroBogan (Jacob)
Jacob

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NGC 5128 - Centaurus A

Second night in a row with clear skies!
Here is my first ever attempt at imaging a Galaxy, NGC 5128!

I've attached the originals after stacking and then the processed version so I can get some constructive criticism.

Shot with:
Canon EOS 60D un-modded
SW ED80 Black Diamond, 600mm and un-guided
HEQ5

Info:
15 Lights, 120 sec subs @ 800 ISO
10 Lights, 30 sec subs @ 1600 ISO
10 Lights, 30 sec subs @ 400 ISO
(not sure if the different ISO's are necessary for the light frames, I was just doing some experimentation)
10 flats
5 darks

Any constructive criticism is very welcomed, I'm eager to learn more
Attached Thumbnails
Click for full-size image (NGC5128-3.jpg)
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Click for full-size image (NGC5128.jpg)
202.5 KB272 views
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Old 06-04-2018, 07:38 AM
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Atmos (Colin)
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The small ED80 is showing the galaxy up well Light pollution is a killer though.

Shooting different ISOs on a galaxy doesn’t help much. There are very few targets where there is a benefit, M42 can be one of those! 5s exposures at ISO 100 for the core and 5m exposure at ISO 800 for the dust
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Old 06-04-2018, 11:14 AM
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RickS (Rick)
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Congrats! Nice catch for your first galaxy.
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Old 06-04-2018, 11:21 AM
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AstroBogan (Jacob)
Jacob

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Quote:
Originally Posted by Atmos View Post
The small ED80 is showing the galaxy up well Light pollution is a killer though.

Shooting different ISOs on a galaxy doesn’t help much. There are very few targets where there is a benefit, M42 can be one of those! 5s exposures at ISO 100 for the core and 5m exposure at ISO 800 for the dust
Thanks for the feedback! I think I definitely need to invest in a CLS filter.

Quote:
Originally Posted by RickS View Post
Congrats! Nice catch for your first galaxy.
Thanks
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