M17

Swan Nebula in Emission-Line

M17

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Object Info

Type

Diffuse Nebula

Constellation

Sagittarius

Distance

5,000 ly

Capture Details

Date

September 10, 2007

Location

Carlsbad, CA

Exposure

SII 4x15, Ha 4x15, OIII 4x15 (bin 1x1) as RGB

Equipment

Optics

Takahashi FSQ-106N Refractor

Focal Length

530mm @f/5

Mount

Astro-Physics 900GTO

Camera

SBIG ST-2000XM

Focuser

Robo-Focus

Filters

CFW10A, Astrodon 6nm SII, Ha, OIII

Software

Maxim DL, CCDStack, Photoshop