Object: Rho-Ophiuchi/Antares
Region Date: April 28
& 29, 2003
Site: New Mexico Skies, Mayhill, NM
Exposure: 20 Min (1) 60 Min (2)
@ f/4.5 (3 exposures total)
Film: Fuji Provia 400F (Pushed
+1)
Equipement: Piggybacked Minolta Maxxum 9 Sigma EX
100-300 APO on 10" f/10 SCT on a Losmandy G-11.
Guiding: SBIG ST-4 at 1130mm (A0's - A4's) very
windy.
Hardware &
Software: Scanned with a Minolta
Scan Elite II, Hamrick Software's VueScan (7.6.22). All
images were processed with curves and levels using
Picture Window Pro 3.1h, smoothed lightly using SBGNR and
then stacked using a Registar 1.0.6. After stacking,
final image tweaks were made in Picture Window and the
resulting image was the size reduced.
Info: Rho-Ophiuchi/Antares
Region showing M4, NGC6144, IC4603, IC4604, IC4605, and
much more. The darkness and transparency was the
best I have ever seen, however, it was very windy. This
was a good test of the Sigma lens which showed excellent
performance.
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