Taken 8-Sep-12
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Dimensions3352 x 2532
Original file size595 KB
Image typeJPEG
Color spaceUncalibrated
NGC1499-California in Ha (Hydrogen Alpha Filter)

NGC1499-California in Ha (Hydrogen Alpha Filter)

Captured September 3, 2012-09-09
Scope: Televue NP-101is with 0.8 focal reducer
Camera: ST-8300C
Exposure: 100 minutes (10 X 10min)

The black & white image you see is actually red but technically is a color of red that our human eyes can't see. The image was taken during a full moon using a Hydrogen Alpha Filter which blocks ALL light except at the wavelength of 680 nanometres (into the infrared spectrum).