Archived posting to the Leica Users Group, 2017/05/11

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Subject: [Leica] Astronomical images from Australia
From: jayanand at gmail.com (Jayanand Govindaraj)
Date: Thu, 11 May 2017 19:57:29 +0530
References: <544A7C46-BA7A-45AE-9CDB-A4911F0076B0@twc.com> <CAH1UNJ3WmvsU-iByd8V4oMD-cSpcyrfv=F0xin-d=StHHeo9pg@mail.gmail.com> <3AFD049B-7A99-4ABD-9F2D-81F56A4C462A@twc.com>

Howard,
I certainly will!

I would like some more enlightenment on the tracking mechanism you are
using.

Cheers
Jayanand

On Thu, May 11, 2017 at 6:35 PM, Howard L Ritter Jr <hlritter at twc.com>
wrote:

> Thank you, Jay. You're so well traveled in India, you should think about
> trying the same next time you spend the night at a remote site in the
> Himalayas, where many excellent astroimages have been made. This is the
> intuitive workflow I developed with a little tinkering ? primitive, but
> quick and easy, and results in an image that?s 90% of the way to the best
> that can be achieved with the most sophisticated techniques (an ?Ansel
> Adams factor? of 0.9):
>
> 1. Use wide-angle lens wide open, ISO 3200, shutter 30 sec.
> 2. Put camera on tripod or firm surface.
> 3. Use magnified Live View and manual focus to get stars as pinpoints. If
> no LV, use infinity stop. If neither, start with estimate, then experiment.
> 4. Trip shutter gently.
> 5. Open image in Photoshop, apply appropriate lens correction, then in
> Image > Adjustments > Levels, move white-point slider to brighten stars and
> black-point slider to darken sky. Experiment.
> 6. Enjoy result!
>
>
> ?howard
>
>
> > On May 11, 2017, at 5:59 AM, Jayanand Govindaraj <jayanand at gmail.com>
> wrote:
> >
> > Just superb!
> > Cheers
> > Jayanand
>
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In reply to: Message from hlritter at twc.com (Howard L Ritter Jr) ([Leica] Astronomical images from Australia)
Message from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] Astronomical images from Australia)
Message from hlritter at twc.com (Howard L Ritter Jr) ([Leica] Astronomical images from Australia)