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Heart Nebula in Emission-Line
Type Emission Nebula
Constellation Cassiopeia
Distance 7,500 ly
More Info
Date 16 Sep 2006 (Summer)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 60:135:60 mins @ -15C
SII 4x15 (bin 2x2), Ha 9x15 (bin 1x1), OIII 4x15 (bin 2x2) as RGB
Notes Ha also used as the Luminance layer
Optics Takahashi FSQ-106N Refractor
Focal Length 530mm @f/5
Mount Celestron CGE
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, Ha, OIII
Software Maxim DL, RegiStar, Photoshop

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