Sandqvist 169 + 171

60%  resolution (4.2MB)

Object identification (4.2MB)

Image with Nikkor200mm

Object data of Sandqvist169

Object type: Dark nebula
Size: 18'
Magnitude: -
Constellation: Cir
Distance: -
Notes: Sandqvist 169/171 forms the western part of the giant Circinus Cloud complex, which measures 2x5 degrees in total. The filamentary appearance of the cloud is likely to be the result of multiple outflows from young stars. Optically visible signs of star formation in Sandqvist 169 include the tiny cometary reflection nebulae vdBH65a and vdBH65b.

Exposure data

Date: 2014-03-01 + 02 + 04 + 05
Location: Hacienda Los Andes / Chile (1100m)
Telescope: Astro-Physics 175mm f/8 Starfire EDF with f/8.3 CCD field flattener
Camera: FLI PL29050 with Astrodon filters
Binning: L 1x1 / RGB 1x1
Mount: Astro-Physics AP1200GTO
Exposure time: L 22x8min / R 10x8min / G 10x8min / B 10x8min
Exposure time total: 6h56min
Notes: Image acquisition by CEDIC team (Christoph Kaltseis, Bernhard Hubl, Wolfgang Leitner and Herbert Walter)

Image processing by Christoph Kaltseis