NGC 6781
About image
NGC 6781 is a small planetary nebula in the constellation of the Eagle, with dimensions 1.9 'x 1.8' and with a central star of fifteenth magnitude.
Technical data
Optic Celestron C9.25 Edge HD f/10
Mount Losmandy G11 with Ovision worm and FS2
Camera Atik 4000 with Starlight Xpress filter wheel 5 positions
Filters Baader Ha 7nm and OIII 8.5nm, 50.8 unmounted
Guiding system OAG LB Astro Proxima and Lodestar
Exposure details Ha 14x900" bin1 -10C
OIII 10x900" bin1 -10C
Total integration 6h
Acquisition Maxim, PHD2
Processing Maxim, Photoshop CS5
SQM-L 18.50
Location Home terrace (Rescaldina, Italy)
Date 17/27 July 2014
© Roberto Marinoni 2019 - All rights reserved