Re: [APML] Orion panorama

["Chris Cook" <ccook@cape.com>]

Stunning!  Man, those stars are so small.
Great work as usual Wei-Hao!

Chris


-----------------------------
Chris Cook Photography
www.cookphoto.com


----- Original Message ----- 
From: "Wei-Hao Wang" <whwang@gmail.com>
To: "APML" <astro-photo@seds.org>
Sent: Wednesday, January 12, 2005 7:52 AM
Subject: [APML] Orion panorama


> ALOHA,
>
> Please allow me to call this a panorama, although it doesn't cover the
> entire Orion.
> I went to Mauna Kea last month and it may be my last time taking astro
pictures
> in recent 2 or 3 years.  This image is the primary effort of mine
> since Dec 2003.
> Here we go:
> http://www.ifa.hawaii.edu/~wang/misc/orion_01x.jpg
>
> What you see is a 0.1x reduction of the original image.  I'm still
> finalizing the image
> processing.  Later (next month?) I will post a full webpage for this
> image, including
> all byproduct images.  At this moment, any comments are welcome.  Below
are
> more details about the imaging and processing.
>
> Images were taken between Dec 2003 and Dec 2004, in a total of 9 nights.
> Telescope is Pentax 105SDHF with focal reducer (F5.1).  Camera is Pentax
67.
> Film is Kodak E100S pushed 1.  Exposure time is 90 minutes.  The final
picture
> contains 22 of such images.  18 of them form a 3x6 mosiac.  4 of them are
added
> onto selected regions to increase S/N.
>
> As before, the individual images were flattened in my own program,
registered
> and calibrated in Registar, and combined in Photohop.  There is a
> short exposure for
> M42 very slightly blended into this image.  I prefer to keep M42
> bright and almost
> saturated.  I tried not to over-process the nebulas although the depth
> of this image
> does allow a strong enhancement.  The time I spent on image processing
> is perhaps
> 2x the total exposure time.  Later I will tell you more details about
> the technique
> of image processing.
>
> Comments are welcome.
>
> Wei-Hao
>
> -- 
> ________________________________________________________________
> Wei-Hao Wang  :)
>
> Institute for Astronomy at University of Hawaii
>
> Address:
> 2680 Woodlawn Drive         Personal Website:
> Honolulu, HI 96822             http://www.ifa.hawaii.edu/~wang
> ________________________________________________________________
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>


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