NGC7635 Bubble Nebula in [SII], Halpha and [OIII] from Stinger 450 Classical Cassegrain

[SII] = Red, Halpha = Green, [OIII] = Blue

Click image to enlarge, click here for highest resolution

Taken on August 2, 8, 10 and 21, 2006 from my backyard in Castro Valley, Ca

To see in Halpha only click here:      

                                       Stinger 450 Classical Cassegrain (18" f/12.6)

Lumicon Giant Easy Guider with Focal reducer for final: F= 3366mm, f/7.1

Finger Lakes CM10 MaxCam imaging camera operated at -20C

Robofocus

Finger Lakes CFW1 Filter wheel

SBIG ST7E guide camera

Custom Scientific 3nm FWHM Ha filter (50mm diameter)

Custom Scientific 3nm FWHM [OIII] filter (50mm diameter)

Fifteen exposures of 30 minutes through Halpha filter

Seven exposures of 30 minutes through [OIII] filter

Nine  exposures of 30 minutes through [SII] filter

Fifteen and a half hours total exposure time

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