How small is the FOV? If it is not too small and Derek is able to provide an 8 bit .bmp I am willing to astrometrically reduce the image as I do with my photographs. - Marco Greg Roberts schreef: > Hi Derek > > I checked out your picture of the event and the time etc in GUIDE. I > cant find any error in what you did. It looks like you measured the > correct end of the trail and on elements dated 9047.831 UT I get the > satellite running about 2.7 seconds late on those predictions. > > For your time of 03h20m42.825s UT I measure the RA as 05h35m53.1s and > Dec as -05d 12'34" - the RA is the same as yours but dec about 30 arc > seconds out which is okay considering the image scale. I found it a > little difficult to match the entire image to GUIDE - due to optical > defects in the corrector lens I found the x and y scales to be > different - also I had to rotate the field a bit but even then could not > get images to line up across the entire field by fiddling image scale > and field rotation. I eventually blew your image up 200% and just > concentrated on trying to line up the stars around the end of the trail. > Incidentally your stars are getting down to about mag +12 to +13. > > Lets see what Ted comes up with... > Cheers > Greg > > > > ------------------------------------------------------------------------- > Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L > archive: http://www.satobs.org/seesat/seesatindex.html > > ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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