NGC7380 - Open Cluster with
Nebula SH2-142 in Cepheus
NGC7380 - Open Cluster with Nebula (SH2-142) in Cepheus. Magnitude 7.2
discovered this cluster in 1787 when her brother William was absent.
William included his sister's discovery in his catalog, and labelled it
Open cluster NGC 7380 is intertwined with a bright diffuse nebula which
bears the catalog designation Sh2-142.
[ source: SEDS.ORG ]
Takahashi FSQ, ST-10XME and CFW8a w Astrodon Ha RGB
6 x 10 min H-Alpha and 3 x 5 min per channel RGB
Guiding, image acquisition, Darks and Flats, alignment in CCDSoft5
Sigma-reject combined in Maxim
Colour combines done in PS-CS2 per Chris Schur's instructions for
blending the H-Alpha with the Red channel at 50% (lighten mode) and
with the Blue channel at 10% (again, with Lighten mode)
Flesherton, Ontario, Canada
Sept 15/16, 2006
Ambient temp 14 celcius, CCD temp -20C
NOTE: If you click on the image to see a larger version.
NOTE: Click here to see an older version with the Orion ED80 and ST7E: http://www.astrofoto.ca/stuartheggie/ccd_photos/ngc7380_RGB.html