NGC6357

NGC6357 Nebula in Emission-Line

NGC6357

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Object Info

Type

Emission Nebula

Constellation

Scorpius

Distance

3,300 ly

Capture Details

Date

May 22, 2009

Location

Mount Laguna, CA

Exposure

SII 4x15, Ha 8x15, 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

CCD Commander, Maxim DL, CCDStack, Photoshop