SANDQVIST & LINDROOS (AKA SL 11)
DARK NEBULA IN LUPUS (ra: 15:57.51 / dec -37:50.14)
CLICK IN THE IMAGE FOR A HIGH RESOLUTION VIEW
July 2012, Arca de Noe - Rama Caída Mendoza, Argentina
TYPE: Dark Nebula
VISUAL MAGNITUDE: n/a
APPARENT DIAMETER: 40 x 5 arc minutes.
IMAGE FOV approximately 120 x 90 arc minutes
SCOPE: TMB SS 92 working at f6 (roughly)
CAMERA: QSI 583 WS
GUIDING: LodeStar in Orion Short Tube 80/400 PHD Guiding
FILTERS: Baader LRGB Set
SKY CONDITIONS: Rural Skies with some street lights 70 meters away.
EXPOSURES: LRGB (60,30,30,30) for a total exposure time of 2 1/2 hours
PROCESSING: Images Plus / Photoshop CS2 - no darks applied.
OBJECT DESCRIPTION AND IMAGE SESSION
(*) Information provided by Sakib Rasool and also Published by Marco Lorenzi.