M17, the Swan Nebula (nasrrowband)

Also known as Omega. Checkmark, Lobster and Horseshoe Nebula. 5,000 to 6,000 light-years away and 15 light-years across. Prolific star-forming region.

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File information
Filename:	M17-SHO-20250626-FLT132-ASI1600-v2.JPG
Album name:	27telp / Nebulae
Location and Date:	Sybaris Observatory, OCA site near Anza, California, 6/26/2025
Equipment:	William Optics FLT-132 refractor, ZWO ASI1600MM camera, Astro-Physics 1200GTO mount, Borg 50mm guidescope, Starlight Xpress Ultrastar guide camera, ZWO EAF focuster
Settings:	12 5-minute exposures in each of Sulfur-II, Hydrogen-alpha and Oxygen-III filters, bin 1x1
Notes:	Software: Capture, Sequence Generator Pro; guiding - PHD2; processing - PixInsight 1.9.3, Adobe Lightroom
Filesize:	2222 KiB
Date added:	Jul 10, 2025
Dimensions:	2235 x 1690 pixels
Displayed:	235 times
Color Space:	sRGB
EXIF Offset:	382
EXIF Version:	version 2.31
Image Description:	Also known by many other names, e.g Omega Nebula. 5,000 to 6,000 light-years away and 15 light-years across. Prolific star-forming region.
Resolution Unit:	Inch
Software:	Adobe Photoshop Lightroom Classic 14.4 (Windows)
X Resolution:	240 dots per ResolutionUnit
Y Resolution:	240 dots per ResolutionUnit
IPTC Title:	M17, the Swan Nebula (nasrrowband)
IPTC Copyright:	J. L. Floyd © 2025
URL:	http://www.slithergadee.net/coppergallery/displayimage.php?pid=2089
Favorites:	Add to Favorites

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Event Horizon - Astronomical and Terrestrial Images

M17, the Swan Nebula (nasrrowband)

Also known as Omega. Checkmark, Lobster and Horseshoe Nebula. 5,000 to 6,000 light-years away and 15 light-years across. Prolific star-forming region.