November Deep Sky Imaging Challenge - Page 2

rogerg (Roger) · #21 22-11-2006, 12:50 AM

Hi all,

I used NGC 1232 as my first test of LRGB imaging. It's ok, but a bit ugly

.. hot pixels and all that.

The viewing conditions have been shocking, high cloud and all that. So lots of exposure time but relatively little detial, but it's OK. Better than nothing!

The shot at my website is the same size but lower JPG compression so slightly better quality - hard to pick though.

http://www.rogergroom.com/rogergroom...m.jsp?Item=524

... I'm sure I had it looking better than this at some stage in the processing, but can't quite get the colours back there...

Roger.

Ric · #22 26-11-2006, 01:05 PM

Hi all, heres my image of NGC1232. I managed to image on time this time

The imaging was done in Alt/Az mode with the LX200R 12" and tracked with Star Atlas Pro. The camera was the the DSI II Pro and imaging software was Envisage in drizzle mode set at 1:1:0.8.
Lum = 50 x 30sec (25 minutes)
R = 1 x 30sec
G & B = 5 x 30 sec each (2.5 minutes)

Post processing was done with MaximDL which was just combining and small amount of colour tweaking.

This is definitely one of my best attempts at galaxies so far, I didn't burn out the core as usual

.

cheers

Lee · #23 26-11-2006, 01:48 PM

Looks great Ric! Was it done at f/3.3? I've been itching to shoot this one, but haven't had a chance..... it will probably be my own little December/Jan challenge object!
I just got my colour filters too, so I'm really itching now!

Ric · #24 26-11-2006, 02:13 PM

Hi Lee, yep it was taken at f/3.3. Whoops I added all the other details and forgot that bit.

Cheers

rogerg (Roger) · #25 26-11-2006, 02:47 PM

Nice shot Ric, great to be able to say it's your best, to be progressing with your galaxy imaging. It is sometimes difficult to not burn out the core of these galaxies, that's one of the critical things to learn the processing techniques to get the even brightness and yet still keep it looking "correct".

Roger.

Ric · #26 26-11-2006, 03:05 PM

Thanks Roger for the encouragement, its greatly appreciated.
For a while I was shying away from galaxies as I was getting frustrated with fuzzy blobs.
But as I learn more about processing and imaging techniques its not so daunting as before. Now I'm quite keen to image more galaxies as they are beautiful subjects to image.

cheers

Garyh · #27 26-11-2006, 04:50 PM

Nice shots Roger and Ric...I have had no luck with the weather up here, twice set up for it but that horrible smokey haze then fog comes to visit after sunset :-( blocking all but the brightest of stars...