M6 and LBN 1116

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M6 is the most prominent cluster below-right, with many blue coloured stars and a single bright yellow star on the border. Clouds of Milky Way traverse all the field and a very large and faint emission nebula is near the center, named LBN 1116. Other objects in this field are Trumpler 28, NGC 6416, NGC 6404, NGC 6374, Antalova 2 and many LDN dark nebulas.

Technical data
Optics Pentax 75 apo refractor
Focal Length 500 mm
Focal Ratio f/6.7
Exposure Time 2h30min (single exp of 10 min)
CCD Canon EOS 5D with Baader filter
Sensitivity 800 ISO
Location Tivoli Farm (Namibia) at 1350 m height
29 August 2011
Mount Kenko NES
Tracking Lodestar with a small refractor (F.L. 100 mm, aperture 23 mm)
Temperature and humidity T= +13°C, RH=33%
Sky brightness at zenith (with SQM-L) 21.85 mag/arcsec^2 (MW at zenith)
Notes South nearly at top.
This image is a collaborative effort of the Namibia 2011 expedition. Processing: Lorenzo Comolli. Images by: Lorenzo Comolli, Luigi Fontana, Giosuè Ghioldi, Emmanuele Sordini.

HTML Editing and Publishing by Lorenzo Comolli. Email me at comolli@libero.it.
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