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M20 Trifid Nebula in LRGBHa

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New Forum - First Light

Started by geomorph, 01/31/2005 12:47AM
Posted 01/31/2005 12:47AM Opening Post
Hello all. I finally got a chance to go to a dark sky site and try out the new setup (G-11, Sky90, ST2000XM). I decided to start with an easy target..... M42. I had a little trouble with the auto guiding, so the stars are not perfect, but overall I am pretty pleased with the results. This is an RGB image, with 60 seconds of data for each color. I combined it in Maxim at proportions: Red-1.2, Green-0.9, Blue-1.1, then processed in Photoshop. What do you think? I took some shorter exposures and will try to add them later to fill in the overexposed areas.
Cheers,
Tyler

Attached Image:

geomorph's attachment for post 21892

"The expression of the beautiful is in direct ratio to the power of perception acquired by the artist." (Gustave Courbet)
Posted 01/31/2005 01:06AM #1
This is a great image, Tyler, especially from just 60 seconds for each color. You can't beat dark skies. The extended nebulosity near the bottom of the the frame and the Running Man nebula are showing up.

The stars look good to me!

Nice job - Cal
Posted 01/31/2005 03:19AM #2
Wonderful colors & detail Tyler, specially considering how short your exposures were... there's no doubt that DARK SKIES make a BIG difference!


Thanks! and keep it up! wink

Ivan Gastaldo 8)
Coconut Creek, FL

Ivan's Observatory
Lat 26N 16' 48" Long 80W 10' 48"
[COLOR="Red"]Personal Website:[/COLOR] http://www.ivangastaldo.com

CCD Imaging and Processing/Deep Sky - Moderator
I like to complain about everything - Moderator
Posted 01/31/2005 03:27AM #3
Very Nice Tyler! I look forward to seeing the shorter exposures added in.
Don Spencer

Don Spencer
http://members.cox.net/ecdon/astrophotography.html
Posted 01/31/2005 04:47AM | Edited 01/31/2005 04:50AM #4
Hello again. I just found a new way to process the images to prevent washing out the brighter areas. This is the same data as the previous posting, but it was processed using a different stretch function. It really brought out more detail, especially in the brighter areas. I think it is a big improvement. Any thoughts or opinions?
Cheers,
Tyler

Attached Image:

geomorph's attachment for post 87653

"The expression of the beautiful is in direct ratio to the power of perception acquired by the artist." (Gustave Courbet)