NGC 4244 “Silver Needle” galaxy
A full resolution 2 Mb image is here .
Imaged 2011 April 1st
at the Kelling Heath Star Party, Norfolk, UK
Televue TVNP101 100mm APO refractor 540mm fl.
Starlight Lodestar autoguider on G11 Mount
SBig ST8300M CCD camera
Image acquired in Maxim DL Pro 5
True Tech RGB colour filters
LRGB image L 60 mins 1x1, R 10 mins 2x2 G 10 mins 2x2, B 10 mins 2x2, One hour
twenty minute total exposure.
Luminance sub exposures 300 seconds, Colour sub exposures 150 seconds at -20 deg
C
