M16 Eagle Nebula in [SII], Ha and [OIII] Emission Lines

Click on image to enlarge, click here for highest resolution

Taken on June 11, 2004 from Fremont Peak State Park near San Juan Bautista, California

Takahashi FCT-76 imaging scope with Takahashi Focal reducer, f/4.5, F=376mm

SBIG ST10XME imaging camera at -26C

Astro-Physics 80/900mm guidescope with adjustable rings

SBIG ST7E guide camera at -15C

Astro-Physics AP900GTO mount

FLI DF2 Digital Focuser

FLI CFW1 Color Filter Wheel

Custom Scientific AR-Coated narrowband emission line filters (50mm unmounted)

    [SII]         673.4nm CWL, 3nm FWHM

    Ha          656.4nm CWL, 3nm FWHM

    [OIII]        500.7nm CWL, 3nm FWHM

Exposure details: six exposures of 10 minutes through each filter. 

Total exposure time = 3 hours

Hit Counter