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Old 20-05-2006, 11:34 AM
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sheeny (Al)
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Jupiter May 19 through a C8

Hi guys,

I set up in the driveway last night rather than drive 22ks out to my usual dark site. Let the scope cool over dinner, wandered out to start and the town lights and street lights that lean intimidatingly over my place limited visibility to mag 3-4... (hence why I often drive!).

I struggled all evening with focus due to seeing (pretty average 5-6 / 10), and exposure ! It wasn't till later in the night that I worked out what was happening with exposure... the sky was simply uniformly losing transparency due to haze. I couldn't see it cause my eyes couldn't properly dark adjust... but I guessed as much when I looked up at a dark sky, no clouds evident, but only about 6 stars +Jupiter visible in the sky! I get into a bad habit when I'm imaging... concentrating so hard on what I'm doing I forget to look around at the sky .

Anyway, given the conditions I am pretty happy with these Jupiters, cause I didn't expect to get anything this good from what I had to work with. But I have recently learned how to get a bit more out of registax than I had previously been doing .

All taken with ToUcam through C8 with K3CCDTools. Capture stats vary a bit between images due to chasing exposure but in general saturation was 50%, gamma ranged between 0 and 50%, brightness between 50% and 100%, gain between 0 and 50%, exposure time between 1/25 and 1/250 sec and fps either 10 or 15 fps. Date and Time is in the filenames.

Al.
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Old 20-05-2006, 01:10 PM
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Lester
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Great stuff Al,

The C8 has real potential.

I like your shots considering the conditions you were working in.

When you get good seeing conditions I will be watching very closely.
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Old 20-05-2006, 01:22 PM
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sheeny (Al)
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Thanks Lester.

It helps when you get over those little humps in the learning curve! I have just recently got a handle on reference frames and some of the other adjustments on the wavelets page of registax... pretty basic stuff, I think, but I've been ignoring a lot of the little tabs down the side...

Thanks to 1ponders for posting the thread about a problem with the contrast /brightness buttons... I went looking for them... imagine my surprise... oooh there they are!!!! I do some dumb things....

Al.
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Old 20-05-2006, 01:47 PM
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JohnG (John)
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Nice shots Al.

JohnG
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Old 20-05-2006, 02:00 PM
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Hi Al,

Yes there is lots to learn, and I am attempting to get a handle on the processing. Took me 2 months to work out Registax3, lots of trial and lots of error.

Now for the processing where I have got a long way to go yet. Its a real asset to have someone close by to show how things are done. Hope you have that privilege as well.

Good luck.
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Old 20-05-2006, 04:35 PM
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sheeny (Al)
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Thanks John.

Tell me about it Lester. There's heaps to learn! Good thing I enjoy learning, I say. But I suppose most astro people like learning.

Unfortunately I don't have anyone handy to learn processing from. All teach yourself or remote control via IIS! Sometimes its frustrating for a while, but eventually persistence wins! It's a rewarding feeling when the gears stop grinding and start to mesh!

Al.
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