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High Bobby !
My decision for any of those film do not come out
of long tests. I am member of an austrian astro amateur club, which is focused
to astrofotography. When I became member of those club, there where a lot of
knowlegde about films using for AP. One of those guys you maybe know, it is
Gerlad Rhemann (often puplished in S&T).
So I used films, which
they recommended to me. I am not the great analyst and I dont want to waste the
few good nights here in Austria.
Since I started to work with my NIKON
scanner I saw, that it is easier to scan negatives than slides. So I do most of
my work with negative film. After the Royal Gold 400 was no longer produced I
started to work with the SUPRA 400. For me it is better then the RG400,
espacialy for its better sensitivity in the green. The SUPRA is well balanced in
colours.The Ektapress 400 was given to me during a night session by a friend of
mine, because I went out of film. I think, I have to try it once again, although
the grain is more visible.
For emission nebulas the E200 is best, but if
there are any other colors than red in the object, one get a strong colour shift
to magenta. But I can remove that in my computer. Its grain is much better than
400 negatives - of course. But scanning the E200 I allways have the feeling,
that I can see more dateails and faint regions on the slide than I saw after
scanning. Maybe the densitiy of the film is to high for my LS2000.
Manfred Wasshuber
----- Original Message -----
Sent: Saturday, April 06, 2002 2:28
PM
Subject: Re: [APML] New member
Welcome Manfred. You are pretty far along on the
astrophotography experience as your web-site pictures show! I notice you have
used Supra 400, Ektapress 400, and even Royal Gold 400 film along with the
E200. Do you have any comments about these films?
Bobby Middleton
Sent: Saturday, April 06, 2002 2:28
AM
Subject: [APML] New member
High all !
I am a new member to the APML. I leave about 30
km south of Vienna/Austria, where it is still to much light pollution for
real long exposured images. So I need to drive about an hour from home to
get quite good conditions.
I'm doing astrophotography since 1997, but the
first 2 years my equipment wasn't good enough for real
astrophotography.
Since I bought the VIXEN GPDX mount my images
get better. In 2000 I bought a second hand 6"-Newton with f/4.3. It is
from Chicago Optical and Supply CC, Model 150DX, a company no one knows here
in Austria. It is designed for photographic work, due to its bigger
secondary and 2"-focuser. I got a suitable coma corrector, which is working
very well. This was my entry to real deep sky work. Most of my images on my
homepage were done with this scope.
Since August 2001 I own a VIXEN VC200L. This is
a great scope for photographic work, with a flat field up to the corners of
35mm film. I bought the focal reducer for this scope and tried some images
with a guiding scope. But mounting the guiding scope to the tube of the
VC200L doesn't work, due to the weakness of the tube. So I tried some
pictures with full focal length, shown on my homepage. For working with the
reducer I need some mounting rings, which are under
construction.
You can see my images at:
Coments are wellcome,
Manfred
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