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Lagoon Nebula & NGC6559 in Emission-Line
M8 & NGC6559 (Sh2-29)
Object
Type Diffuse Nebula
Constellation Sagittarius
Distance 5,200 ly
More Info
Image
Date 16-Jun-2012 (Spring)
Place Palomar Mountain, CA
Exposure Data SII:Ha:OIII 90:120:90 mins @ -15C
SII 6x15, Ha 8x15, OIII 6x15 (bin 1x1) as RGB
Notes
Equipment
Optics Takahashi FS-60C Refractor
Focal Length 285mm @f/4.7
Mount Astro-Physics 900GTO
Camera SBIG ST-10XME
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, 3nm Ha, 6nm OIII
Software Maxim DL, CCDStack, Photoshop

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