NGC6992 Network 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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(sum of all color data assembled as a monochrome image)

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(sum of all color data assembled as a monochrome image with inverted palette)

 

Taken on June 26, 2003 at Fremont Peak State Park, near San Juan Bautista, California

Equipment Used:

AP155EDF at f/7 (1085mm FL)

AP1200GTO Mount

AP80mm Guidescope

SBIG ST10XME imaging Camera (binned 2x2, operated at -12C)

SBIG ST7E guide Camera 

Finger Lakes Instrumentation CFW1 Filter wheel

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

Optec TCF-S focuser

4 exposures of 20 minutes each through Custom Scientific 3nm Ha, [OIII] and [SII] emission line filters. Four hours total exposure time

Red = Ha          656.3nm

Green = [OIII]   500.7nm

Blue = [SII]       672.4nm

Maxim DL 3.10 used for camera control

Sigma Beta 10 used for darks, flats, biases, layer combinations

Photoshop used for final touchup, resizing and format conversion

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