VDB 142 part of IC 1396 in Cepheus The "Elephant's trunk"
Ha(HaR)GB composite imaged 2006 September
21st & 22nd at the Kelling
Heath Star Party, Norfolk, UK
Televue TVNP101 100mm APO refractor 540mm fl.
Sbig ST4 autoguider on G11 Mount
Starlight Xpress HX916 CCD camera
True Tech RGB colour filters. Astronomic Ha filter
HaRGB image Ha 105 mins 1x1, R 30 mins 1x1 G 30mins 1x1, B 30mins 1x1, 3 hr 15min total exposure.
All 5 min sub exposures.
The RGB colour and Ha components were taken from Kelling Heath during the Equinox star party. The sky was dark but slightly hazy and the conditions were very windy. This image was reprocessed in 2009 November. My previous processing attempt is below.
This image is compiled
from the same data as above in an HaRGB composite. The use of the Ha image as
the Luminance layer causes the red to be washed out and the faint stars to go
The image at the top of the page is an Ha(HaR)GB composite with the Ha and red images blended to create a stronger red channel before layering the Ha only as the luminance layer.
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