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Messier 16 is an emission nebula combined with an open cluster in the summer part of the milky way, located in the constellation serpens caput. Distance
to the sun is appx. 7klyrs and apparent visual magnitude of the object is about 6m4. It is mainly an emissive H-II region, what is the reason for the reddish
color tint of this broadband VIS-image. The dust structures in the center of the nebula are commonly known as pillars of creation. On their tops, very new
stars are located. The real lenght of these dust structures is up to 9.5lyrs.
This image is shown in colorimetric correct color. This means, that H Alpha in this image has an (R;G;B)-Color which is the best representation of a
true H-Alpha emission line with 656nm to be shown on an sRGB monitor.
Datum/Date:
13.06.2023 / June 13th, 2023
Optik / Scope:
94mm Triplet APochromat f/4.4
Sensor/CCD:
ASI294MC Pro @ -15°C
Autoguiding:
ASI290Mini @ 60/240 Guidescope
Belichtung/Exposure:
32 x 60“ VIS, 25x300“ Ha+OIII, total integration time= 2h 37min
Workflow:
PixInsight, Photoshop CC
The Universe at a glance...
Juniper Hill Observatory
Köfering, Bavaria
12° 12’ E
48°56’ N
344m N.N.
NGC 6611 (Messier 016)
