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John Hothersall
05-03-2018, 08:58 PM
SPX350 F9.1, ASI290 mono uncooled, Baader RGB Astronomik UHC.

A quick set of images on a breezy night. Trapezium only needed 1/4 sec for RGB 1/2 sec for Ha 500 each, other images used 1-2 secs. Stacked several hundred for luminance/UHC and 100-200 or so for each colour. I use Registax and throw away the breeze damaged images, takes quite a while to gather enough.

Trapezium- Ha RGB.
NGC1535 - UHC RGB - Cleopatras Eye PN.
NGC1999 - L RGB - Blue Keyhole Nebula.
RedRectangle - RGB -PN.

Regards, John.
AG Hybrid
05-03-2018, 10:42 PM
They are all nice. But, that central core image of Orion is outstanding! You can easily see E,F,G,H stars.
RobF
05-03-2018, 10:45 PM
Really enjoyed those John!
Joshua Bunn
06-03-2018, 03:30 AM
Really enjoyed looking at them John. Something so different.

Josh
Placidus
06-03-2018, 02:08 PM
That Trapezium is outstanding. The detail in the surrounding nebulosity is superb. Most excellent result.
Atmos
06-03-2018, 02:11 PM
LOVE the Orion shot! It’s one I’ve been wanting to do myself for a long time but that just makes me want to even more.