w1800 20190827 M16 A7Ra ISO3200 20x30s

The Eagle Nebula (catalogued as Messier 16 or M16, and as NGC 6611, and also known as the Star Queen Nebula and The Spire) is a young open cluster of stars in the constellation Serpens. Both the "Eagle" and the "Star Queen" refer to visual impressions of the dark silhouette near the center of the nebula, an area made famous as the "Pillars of Creation" imaged by the Hubble Space Telescope. The nebula contains several active star-forming gas and dust regions, including the aforementioned Pillars of Creation.

The Eagle Nebula is part of a diffuse emission nebula, or H II region, which is catalogued as IC 4703. This region of active current star formation is about 7000 light-years distant. A spire of gas that can be seen coming off the nebula in the northeastern part is approximately 9.5 light-years or about 90 trillion kilometers long.

The cluster associated with the nebula has approximately 8100 stars, which are mostly concentrated in a gap in the molecular cloud to the north-west of the Pillars. The brightest star (HD 168076) has an apparent magnitude of +8.24, easily visible with good binoculars. It is actually a binary star formed of an O3.5V star plus an O7.5V companion. This star has a mass of roughly 80 solar masses, and a luminosity up to 1 million times that of the Sun. The cluster's age has been estimated to be 1–2 million years.

ObjectM16 or NGC 6611 - Eagle Nebula
Constellation: Lyra
Position: RA 18h 18m 48s DEC -13° 49′
Apparent Size: 7.0 arcmin
Apparent Magnitude/surface brightness: +6.0 /
Distance (average) 5,700 ±400 ly
Photo Datas 
Date 27.08.2019, 20:31 UTC
Location Knottenried/Oberallgäu, 1002m ASL
GPS: 47°36’13“ N, 10°11’24“ E
Sky darkness SQM-L Zenit 20.65mag/sqrsec, Object 20.60mag/sqrsec
Ground Temp./Air Pressure 18.5°C /1016mbar
Thermal sky temp./weather  -27.0°C Zenit / high altitude haze
Seeing  4/10 
Telescope TS RC 14" 2845mm f/8.0
Camera Sony A7Ra mod @ T sensor=21.6°C !!
Expose frames ISO 3200, RAW 20x30s, 16 darks
Total expose
10 min.
Filter no
Mount HPS 10Micron GM 3000
Guiding Cam no
Software DSS 3.3.4, Photoshop CC
Remarks  Quick snapshot due to no having more time!

C 2019 Peter Cerveny