IC1396 in [SII], Ha and [OIII] Light

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[SII] =Red, Ha = Green, [OIII] = Blue ("Hubble Palette")

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Selected as NASA's "Astronomy Picture of the Day" for August 5, 2004

For detailed shots of the "Elephant Trunk" (vdB142) region (center right), see these two recent images:

vdB142 (ST10XME)

vdB142 (IMG1024S)

Taken on June 12, 2004 from Fremont Peak State Park near San Juan Bautista, California

Takahashi FCT-76 imaging scope with Takahashi Focal reducer, f/4.5, F=342mm. This is the telescope that was used by Jay McNeil to discover his now-famous McNeil's Nebula back in January of 2004. I purchased the telescope from Jay in April of 2004.

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: two aiming sites (2 x 1 mosaic)

        five exposures of 10 minutes through Ha filter

        three exposures of 10 minutes through [OIII] and [SII] filter

Total exposure time = 3 hours 40 minutes



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