Pickering's Triangle in the Veil Nebula imaged in Ha, [OIII] and [SII] emission lines

Ha OIII SII Mix

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SII Ha OIII Mix (like Hubble's Pillars of Creation)

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Taken on June 28, 2003 from my backyard in Castro Valley, Ca.

Takahashi FSQ106 imaging scope 530mm focal length (f/5)

SBIG ST10XME imaging camera operating at -22C

Astro Physics AP900GTO mount

Finger Lakes DF2 digital focuser

Finger Lakes CFW1 filter wheel

Custom Scientific Ha, [OIII], [SII] AR-coated emission line filters (3nm)

Three exposures of 30 minutes each through Ha and [OIII] filters

One exposure of 45minutes for [SII] (ran out of darkness!)

Red = Ha          656.3nm

Green = [OIII]   500.7nm

Blue = [SII]       672.4nm

Maxim DL 3.10 used for image capture and processing

Focus Max used for focuser control

Sigma Beta 10 used for darks, biases, flats and stacking light images

Photoshop 7.0 used for final adjustments

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