M16 – M17 – SH2-54 – B312 + Giacomo Pro + L-QEF (L-Quad Enhance Filter)

M16 – M17 – SH2-54 – B312

Credit:  Giacomo Pro

Filters: Optolong L-QEF (L-Quad Enhance Filter)

 

M16 – M17 – SH2-54 – B312
M16 (the Eagle Nebula), M17 (the Omega Nebula), and SH2-54 are three emission nebulae located in the constellations Sagittarius and Serpens Cauda. These nebulae are part of a vast nebular complex and are associated with star formation phenomena. SH2-54 is the largest and contains the open cluster NGC 6604, while M16 and M17 are closer together and show signs of more recent star formation.
M16 (Eagle Nebula): This is an H II region, i.e. a nebula in which hydrogen is ionised by the light of young, hot stars. It contains the young open cluster NGC 6611. It is famous for its “Pillars of Creation”, columns of gas and dust in which new stars are forming.
M17 (Omega Nebula): Also known as the Swan Nebula, due to its shape resembling a swan. It is a very active H II region, with ongoing star formation. It is associated with the open cluster NGC 6618.
SH2-54: This is a large H II region with a complex star formation history. It contains the open cluster NGC 6604, with stars older than those in M16 and M17. It is linked to the OB Serpens OB1 and Serpens OB2 associations.
B312: This is a dark nebula located in the constellation Scutum, close to the M16 and M17 nebulae. Its shape vaguely resembles a human figure, so much so that it is often renamed the Black Man. Dark nebulae are among the coldest objects known in astrophysics, with internal temperatures of around 10 K.

 

 

 

Light: 329 x 180 seconds
Filter: Optolong Astronomy Filter L-QEF
Camera: Asi 294 mc pro
Lens: Samyang 135mm
Guide camera: Asi 120 mini
Guide scope: 60 - 320 mm
Mount: Skywatcher Eq 6-r Pro
Acquisition: Asiair Plus
Software: DSS - Pixinsight – Photoshop
Shots: 25-26-27/06/2025
Location: Torricella (TA) ITALY
SQM: 19.55
Author: PRO’ GIACOMO. 

 

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