JUPITER has it's EYE on you! August 4th

Robert_T · #1 07-08-2006, 08:04 AM

Hi All, the briefest of imaging windows this weekend on Friday evening for a half hour as twilight faded and before the IronBark and the clouds claimed it I managed to snap off a few shots of Joop. The rest of the weekend was "shot" by evening cloud. Seeing was 3-4/10, such that the 4x powermate avis are rubbish, but the 2.5x powermate avis are ok.

I'm starting to get into the swing of the DMK and the filter wheel, even managing to change gain settings for the different colour channels in the 5sec window between avis. It's not such a bother after all.

Anyway, here's the best of 'em. Check out Jupiter's Great Red Eye... Reckon it's worth showing the individual colour channels as the detail is often far superior - just look at the red channel here.

cheers,

iceman (Mike) · #2 07-08-2006, 08:06 AM

That's excellent Robert! Heaps of detail there. It's been so long since I've captuerd a GRS/Red Jr shot I've forgotten what they look like.

The colour balance could use a little tweak, but an otherwise excellent shot and you sure are getting the hang of the DMK. Can't wait to see what you produce in good seeing with the 4x powermate!

Robert_T · #3 07-08-2006, 08:13 AM

Quote:

Originally Posted by iceman

The colour balance could use a little tweak, !

thanks Mike... and Tell me about it - while everything else is coming together fine, I'm finding the colour balancing with the new gear is a real Headache. Using different gains on the colour channels at capture has helped a bit, but while I could usually get the colour balance I wanted with the 900nc using the software I have for some reason I just can't seem to work out with the new DMK captures which way to push (and in shadow, highlights etc) which colour... nothing seems to give me what I want? Any tips on this gratefully accepted

cheers,

iceman (Mike) · #4 07-08-2006, 08:16 AM

Can you send me the individual colour channels straight after saving from registax please?

Robert_T · #5 07-08-2006, 10:03 AM

Mike - can you PM me your e-mail address and I'll send over the individual colour channels straight out of registax. ta,

iceman (Mike) · #6 07-08-2006, 10:53 AM

Hi Rob.

Here's my attempt. I simply recombined in AstraImage after LR 7/1.4 deconvolution. I didn't adjust the intensity at all. I adjusted gamma down to 0.8.

In photoshop I used curves to give greater contrast/depth in the centre portions of the image, adjusted colour balance slightly (a little less blue and a little less green), and did an unsharp mask.

To me it looks like your original has had the saturation pushed up too far, which is why you get the brighter oranges, greens and yellows there.

Great image Rob! Much better than anything i've captured lately.

Dennis · #7 07-08-2006, 11:44 AM

That is a wonderful image Robert, and a great re-process by Mike.

With your pair of DMK's, you have driven me away from Jupiter with my lowly ToUcam, banishing me to the frozen depths of the gas giant Neptune, where last night I managed to grab a couple of images of Triton as Jupiter winked at me through layers of poor seeing.

Cheers

Dennis

Robert_T · #8 07-08-2006, 12:18 PM

Thanks Mike, looks better I'll try a similar sequence myself and see what comes out.

Hey Dennis, you should get that Toucam trained back on joop before it gives it's last hurrah for the season

Great work on capturing Triton... that's a little rock a long way away to capture with a humble web camera!!! I must give big blue a go too