----- Original Message -----
Sent: Wednesday, January 15, 2003 11:02
PM
Subject: [APML] Rosette comparison (was
New Rosette Mosaic)
Thanks to everyone who responded. The file size
is only about 25 MB
but with interpolation a very large print can be
made, maybe 30 x 30".
I realize that Bobby's file size is much larger
but I would bet the resolution
(that's real resolution as in stellar size and
raw resolved detail, not just # pixels)
of the CCD image is substantially superior to the
film image. This "real" resolution
is the key factor in how much enlargement an
image can tolerate.This is easy
to demonstrate if Bobby would post an image
cropped like the one below
of NGC 2244 at about 1000 x 1000 res. and a
comparison can be made.
Also FYI the CCD image was done with a relatively
low resolution CCD camera
having 24um pixels (IMG1024). A comment was made
regarding the small size
of the stars in Bobby's film image relative to
the CCD image. This is an issue of
image scale and the linearity of CCD and nothing
to do with resolution and sharpness.
----- Original Message -----
Sent: Wednesday, January 15, 2003 7:35
PM
Subject: Re: [APML] New Rosette
Mosaic
Absolutly beautifull. What is the final high res file size
and at what dpi?
Larry McManus
on 1/15/03 4:23 AM, Robert Gendler
at robgendler@worldnet.att.net
wrote:
Hi all,
I've completed a new mosaic project of the Rosette
Nebula.
The image is a 9 frame mosaic taken with the 12.5" RC at
F7.
Remember to view the larger image and the cropped high res
image of NGC 2244 in the
"Tunnel".
http://www.robgendlerastropics.com/Rosettebigpage.html
Enjoy
Rob
Gendler
Email: robgendler@att.net
Web site:
http://www.robgendlerastropics.com/