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The Rosette Nebula Narrowband
My first shot of the Rosette Nebula with my new set of Baader narrowband filters. 

The image was combined using SII (ionized sulphur) for the red channel, Ha (hydrogen alpha) for the green channel and OIII (ionized oxygen) for the blue channel. This combination is known as the "Hubble Palette" and is the same method used by NASA for the famous Pillars of Creation image.

The exposure breakdown is:

Ha   25 x 10 min
OIII  34 X 10 min
SII    33 x 10 min

For a total exposure time of about 15 hours.

AstroTech AT65EDQ telescope, Losmandy G11 mount, SBIG ST-8300M camera + FW5 filter wheel, Baader Narrowband filter set.

The Rosette Nebula Narrowband

My first shot of the Rosette Nebula with my new set of Baader narrowband filters.

The image was combined using SII (ionized sulphur) for the red channel, Ha (hydrogen alpha) for the green channel and OIII (ionized oxygen) for the blue channel. This combination is known as the "Hubble Palette" and is the same method used by NASA for the famous Pillars of Creation image.

The exposure breakdown is:

Ha 25 x 10 min
OIII 34 X 10 min
SII 33 x 10 min

For a total exposure time of about 15 hours.

AstroTech AT65EDQ telescope, Losmandy G11 mount, SBIG ST-8300M camera + FW5 filter wheel, Baader Narrowband filter set.

M42-LRGB_1.jpg ic434.jpg 2016-02-16.jpg c49_Group3-LRGB_ps.jpg m1_Group1-LRGB_final.jpg
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