Planetary Nebula Messier 27
A full resolution 1.31Mb image is here
Imaged 2012 August 4th and
30th from my light polluted
back garden in Leigh on Sea, Essex, UK
Televue TVNP101 100mm APO refractor 540mm fl.
Starlight Lodestar autoguider on G11 Mount
SBig ST8300M CCD camera
Images acquired in Maxim DL Pro 5
Astrodon 3nm OIII and Ha narrow band filters
Bi colour RGB image Ha Red, OIII Green and Blue
Image Ha 2 hours 1x1, OIII 1 hour 40 minutes 1x1, 3 hrs
40mins total exposure.
All sub exposures 20 minutes at -20 deg C.
See my previous image here, its an LRGB image taken in 2004 with the same Televue image.
