Widefield Image of the field Encompassing The Horsehead and Great Orion Nebulae

Imaged from Chiefland, FL, Winter, 2012.

This Ha-only image shows how close together these two iconic objects are in the winter sky. The Horsehead is so hard to see visually in even large telescopes but the camera brings it out readily.

Taking Camera SBIG ST-8300M Chiefland, FL, Winter 2012 ~mag 6 - no moon @-20C
Imaging OTA Canon EF 180mm f3.5L
Equivalent focal length and ratio 180mm f3.5
Mount Losmandy G11 Gemini 2
Guiding PHD with SSAG and 80mm/f5.0 Guidescope
Ha Only 3X15min Ha unbinned-Astrodon 3nm Filter
Calibration and Stacking Darks and Bias, No flats - PixInsight
Processed PixInsight and Adobe Photoshop CS4. False Ha color by Carboni

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