Bubble Nebula image

Bubble Nebula


Acquisition Details
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Description

Date: July 2007 SBIG ST2000XM w/CFW-8a Astrodon Series I RGB filters and Astrodon 6nm Ha filter Takahashi FSQ-106n Astro-Physics AP900GTO cp2 mount Filter Data: Luminance = 75 minutes Red = 25 minutes Green = 25 minutes Blue = 25 minutes Hydrogen Alpha = 156 minutes 480, 300, and 120 second sub-exposures autoguided Total exposure time 306 minutes