vdB142 / IC1396A in [SII], Halpha and [OIII] from Stinger 450 Classical Cassegrain

 

17 hours total, 5 hrs/Halpha, 6hrs/[SII], 6 hrs/[OIII]

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

click image to enlarge, click here for highest resolution

 

13 hours total, 4.5 hrs/Halpha, 4hrs/[SII], 4 hrs/[OIII]

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

click image to enlarge, click here for highest resolution

 

 

11 hours total: 4.5 hrs/halpha, 3.5hrs/[SII], 3hrs/[OIII]

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

click image to enlarge, click here for highest resolution

 

 

10hrs total: 4.5hrs Halpha, 2.5hrs/[SII], 3hrs/[OIII]

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

click image to enlarge, click here for highest resolution

To see this area in Halpha only, click here:    

                                                             Stinger 450 Classical Cassegrain (18" f/12.6) 

Taken on July 21 - 22, 25 - 26 and August 1, 2006 from my backyard in Castro Valley, California

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

Finger Lakes CM10 MaxCam imaging camera operated at -26C

Robofocus

Finger Lakes CFW1 Filter wheel

SBIG ST7E guide camera

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

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

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

Ten exposures of 30 minutes in Halpha

Twelve exposures of 30 minutes in [SII]

Twelve exposures of 30 minutes in [OIII]

Seventeen hours total exposure time

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