M 16 and M 17 in the constellations Snake, Archer and Shield

The Milky Way region around M16 and M17 contains a large number of further fainter nebulae. In addition to the large emission nebula regions, the mosaic shows two other extended H-II regions, Sharpless 2-54 (LBN 72) and IC 4701, as well as 4 open star clusters: Messier 18, NGC 6590, NGC 6604, and Trumpler 32. This mosaic consists of 5 single frames with a total exposure time of nearly 8.5 hours and shows an area of about 2 x 6 degrees along the galactic equator.

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Optics: Pentax SDP 105
Aperture:105 mm
Focal Length: with 0.72x Reducer
f=510 mm
Camera: Canon EOS 700Dac
Exposure: 5-frame mosaic, total 100 x 300 s
Location: Chamaeleon Observatory, Onjala Lodge, Namibia
Processing: Deep Sky Stacker, Photoshop
Diameter:100 light years (M 16)
50 light years (M 17)
Distance:5,700 light years (M 16)
5,500 light years (M 17)
annotated image

image field in the sky