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tornado33
17-02-2006, 12:17 AM
Hi all
It finally arrived this morning. I went for the clear filter option, like Houghys 300D.
The In camera noise reduction works well, a 5 minute test shot at ISO 1600 with lens cap on, noise reduction off showd many times more noise then a 10 minute shot with the noise reduction on. Only downside is doubling of exposure times.
Heres the first astro images I took with it tonight between gaps in the cloud.
Note, they are all single images , none are stacked multiple images. Just played with them a bit in photoshop and used noiseware on them, thats all :)
Thanks to Houghy for lending me his new Baader IR/UV cut filter too.
Scott

rogerg
17-02-2006, 01:14 AM
Stunning images Scott. Really great stuff for such short exposure. Very smooth, so little noise, really great.

Roger.

RB
17-02-2006, 03:31 AM
Excellent results Scott.
Well done.
They're amazing cameras.

iceman
17-02-2006, 05:51 AM
Very red! Very nice!

h0ughy
17-02-2006, 07:17 AM
:prey2: :prey2: :prey2: SCott has engaged the hyperdrive now:cool:

tornado33
17-02-2006, 07:18 AM
Thanks all.
Theres a fair bit of noise with the N/R off on ISO 1600 shots, but the in camera n/r is a Godsend for getting rid of most of it. Ironically with my 300D, Photoshop CS somehow gets rid of a fair bit of the noise (but not the amp glow) automatically when I open raw images with it, but CS2 does not, nor does it with the 350D, and sadly Adobe decided not to support the 350D with CS. So despite the xtra time I will always shoot deep sky with the in camera n/r on.

tornado33
17-02-2006, 07:26 AM
I should mention the the first shot is a 165 sec shot @ ISO 800, the middle image is without the UHCS filter, and is a 265 sec shot @ ISO 400, the last shot is a 193 sec shot @ ISO 1600

Robby
17-02-2006, 08:40 AM
Nice Scott... Now you can give Houghy his camera back....
What's this about engaging your Hyperdrive Houghy... One could definately read that the wrong way :poke: :rofl:
Cheers

tornado33
17-02-2006, 10:32 AM
:)
now if I can only get a nice cloudless night.
Scott

h0ughy
17-02-2006, 10:59 AM
Scott, was the IRUV filter used on all shots?

Robby, I have had my camera back, complete with dribble marks from Scott for nearly a week, but it has been cloudy and terrible conditions. I haven't got the hyperdrive, read the post carefully Rob!.

Yes it shows the red, but wow, look at the details!!!

seeker372011
17-02-2006, 12:37 PM
wowie!

ving
17-02-2006, 03:02 PM
very cool shots :)

Striker
17-02-2006, 03:08 PM
Thier all really nice Scott..well done mate and enjoy your new camera.

tornado33
18-02-2006, 09:19 PM
Thanks
The UV/IR filter was used on the 2 and 3rd shots
Scott
PS sorry about the drool marks Houghy

matt
18-02-2006, 09:29 PM
Strangely enough I prefer the one on the left

h0ughy
18-02-2006, 09:58 PM
on the contrary Scott your 350d is awesome, in the hands of a surgeon is wonderful to see you surgically remove the skies above just for us to see

RB
19-02-2006, 09:48 AM
They're great shots Scott, like I've said already, I love them.
I'm just wondering why the use of the UV/IR filter for a modded DSLR?
Is that what's needed for modded cameras?

venus
19-02-2006, 12:28 PM
Fine work great detail Scott. Keep us posted.........

tornado33
19-02-2006, 11:11 PM
thanks.
Rocket Boy, yes the IR cut filter might stop excess IR light from coming through, however its mainly for refractors, as they focus IR light slightly differently, resulting in bloated star images if no filter is used. That doesnt happen with refector scopes.
Scott

[1ponders]
19-02-2006, 11:15 PM
How about SCTs Scott?

RB
20-02-2006, 02:00 AM
Thanks Scott for that.
The reason I ask is because I know Houghy's used it on the 80ED and I would have thought that it's not necessary with an "APO" type scope like that.
Because if it is beneficial then I'd like to get one too.
BTW is the IR cut filter the same as a fringe killer filter?

Also what scope were these taken through?

Cheers.

tornado33
20-02-2006, 11:22 PM
Thanks all.
Actually I wonder how much star bloat not using a filter might cause, as I was shooting some test shots through my 50mm F1.8 lens with no IR filter, and the stars looked hardly any worse than normal (always get some comatic stars near edges at F1.8 anyway). There might be some IR fogging thay may be reduced a bit by using a filter, hard to say.
My shots were taken with my 10 inch F5.6 scope, with baader coma corrector.
Scott

EzyStyles
21-02-2006, 03:52 AM
holyyy geee'sss. Those are one of the best i have ever seen!! Can you pleaseee be my mentor? :)