Thread: Helix Nebula comparison in OIII and Ha.
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Old 20-09-2015, 12:17 PM
Placidus (Mike and Trish)
Narrowing the band

Placidus is offline 		 
Join Date: Mar 2011
Location: Euchareena, NSW
Posts: 3,719
Clever way of showing the difference. The OIII panel shows the beautiful radial streaks that normally get lost in a combined Ha-OIII shot. Nice and sharp and deep, too.
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