M20

Trifid Nebula

M20

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Object Info

Type

Diffuse Nebula

Constellation

Sagittarius

Distance

5,200 ly

Capture Details

Date

July 24, 2009

Location

Palomar Mountain, CA

Exposure

Ha 3x5, Lum 9x5 (bin 1x1), R 3x5, G 3x5, B 3x5 (bin 2x2)

Equipment

Optics

Takahashi MT200 Newtonian

Focal Length

960mm @f/4.8

Mount

Astro-Physics 900GTO

Camera

SBIG ST-10XME

Focuser

TAK MEF-1

Filters

CFW10A, Astrodon 3nm Ha, Gen 2 LRGB

Software

MaxIm DL, CCDStack, Photoshop