Thread: keyhole stacko
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Old 15-04-2005, 01:58 AM
beren
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keyhole stacko

Heres my first stacking attempt using PS using a tutorial found at www.rocketroroberts.com/astro/calibration.htm . Unfortunately its a rush attempt due to uncanny cloud interfernce and uncomfortable scope positons ......details
1.Eta carinae/keyhole nebula at F/6.3
2.5x 140sec stacked in PS and dark frame calibrated
{must admit i prefer wider frame shots of the neb}
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