From: Mike Unsold (mike_at_antispamdomain.not)
Date: Tue Jun 24 2003 - 09:31:22 EDT
Very nice Johannes your images just keep improving.
Mike
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Robert,
all of them were taken in jpg fine; I noticed higher noise levels in
Tiff images, converted from raws, hope this software bug will be
improved soon.
Johannes
--- In digital_astro_.at._yahoogroups.com, "r_malin2" <robt.wndy_.at._v...>
wrote:
> Johannes,
> Noticed that Marks image was taken in jpeg mode..Was yours jpeg,
or
> raw....???
> Robert
>
> --- In digital_astro_.at._yahoogroups.com, "Johannes Schedler"
> <schedler_.at._c...> wrote:
> > Very nice, Mark, even nicely framed!
> >
> > I could not reach your result with just the white light images,
> your
> > sky seems to be darker (same camera!),
> >
> > Johannes
> >
> > --- In digital_astro_.at._yahoogroups.com, "Mark Hanson" <markh_.at._t...>
> > wrote:
> > > Johannes,
> > >
> > > I posted my pic of The North American Nebula so you could see
it.
> > >
> > > http://btlguce.digitalastro.net/latest.htm
> > >
> > > Mark
> > >
> > >
> > > -----Original Message-----
> > > From: Johannes Schedler [mailto:schedler_.at._c...]
> > > Sent: Monday, June 23, 2003 2:45 PM
> > > To: digital_astro_.at._yahoogroups.com
> > > Subject: [digital_astro] New image: North America Nebula
> > >
> > >
> > > Yesterday I was short of sleep and took a lot of images from
> > NGC7000
> > > in this warm midsummer night.
> > >
> > > The first results with 5 min at ISO800 and mag 5 sky in white
> light
> > > were disappointing, as almost no nebula showed up and the
> background
> > > was grey.
> > >
> > > So I tried the Lumicon 2" UHC filter with >95 transmission in
H-
> > beta,
> > > O3 and H-alpha. 10 min shots at ISO1600 resulted in a blue
nebula
> > > with some red lines, but it was there!
> > > See the details and result after a lot of processing, color
> shifting
> > > and blurring with masks to reduce the noise:
> > >
> > > http://panther-observatory.com/deepsky.htm#78
> > >
> > > Later this week I will include the filtered raws to my 10D
> review.
> > >
> > > Hope to get some more efforts for comparison on this object
from
> you
> > > (Rick, Mike, Mark?)
> > >
> > > Johannes
> > >
> > >
> > >
> > > Before posting an image to our group please read the space
> mangement
> > > guidelines:
> > > http://groups.yahoo.com/group/digital_astro/files/Photos%
> 20Section%
> > 20Space%2
> > > 0Management%20Guidelines
> > >
> > > Please check the digital_astro FAQ at:
> > > http://www.szykman.com/Astro/AstroDigiCamFAQ.html
> > >
> > > Be sure to visit the digital_astro Gallery and Archive at:
> > > http://velatron.com/dca/gallery
> > > http://velatron.com/dca/archive
> > >
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> > http://docs.yahoo.com/info/terms/
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