Note: click on the image to view it at the full resolution of the uploaded image, then click again for actual size.

Total image time was 3.8 hours.

Exposure	46x5 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville, Nova Scotia.
Date	2023-07-28 and 2023-08-01
Processing	Processed in PixInsight.	Dynamic Background Extractor BlurXTerminator NoiseXTerminator Generalize Hyperbolic Stretch CurvesTransformation CloneStamp Dynamic Crop

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/M17-Omega-Nebula&image=masterLight_BIN-1_8256x5504_EXPOSURE-300.00s_FILTER-LPR_combined_RGB_autocrop_-2-B_cropped.jpg Wed, 26 Mar 2025 17:50:04 -0300 https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/M17-Omega-Nebula&image=masterLight_BIN-1_8256x5504_EXPOSURE-300.00s_FILTER-LPR_combined_RGB_autocrop_-2-B.jpg
M17 the Omega Nebula, also known as the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula (catalogued as Messier 17 or M17 or NGC 6618) is an H II region in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745. Charles Messier catalogued it in 1764. It is by some of the richest starfields of the Milky Way, figuring in the northern two-thirds of Sagittarius. – Wikipedia.

Note: click on the image to view it at the full resolution of the uploaded image, then click again for actual size.

Total image time was 3.8 hours.

Exposure	46x5 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville, Nova Scotia.
Date	2023-07-28 and 2023-08-01
Processing	Processed in PixInsight.	Dynamic Background Extractor BlurXTerminator NoiseXTerminator Generalize Hyperbolic Stretch CurvesTransformation CloneStamp

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/M17-Omega-Nebula&image=masterLight_BIN-1_8256x5504_EXPOSURE-300.00s_FILTER-LPR_combined_RGB_autocrop_-2-B.jpg Wed, 26 Mar 2025 17:50:04 -0300 https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/M17-Omega-Nebula&image=masterLight_BIN_1_8256x5504_EXPOSURE_300_00s_FILTER_LPR_combined_RGB_autocrop_RGB_combination_DBE_Annotated.jpg
M17 the Omega Nebula, also known as the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula (catalogued as Messier 17 or M17 or NGC 6618) is an H II region in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745. Charles Messier catalogued it in 1764. It is by some of the richest starfields of the Milky Way, figuring in the northern two-thirds of Sagittarius. – Wikipedia.

This image also includes NGC 6596 and M18.

Note: click on the image to view it at the full resolution of the uploaded image, then click again for actual size.

Total image time was 1.5 hours.

Exposure	18x5 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville, Nova Scotia.
Date	2023-07-28
Processing	Processed in PixInsight.	Dynamic Background Extractor BlurXTerminator NoiseXTerminator Generalize Hyperbolic Stretch CurvesTransformation CloneStamp Annotate Image Writejpeg Script

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/M17-Omega-Nebula&image=masterLight_BIN_1_8256x5504_EXPOSURE_300_00s_FILTER_LPR_combined_RGB_autocrop_RGB_combination_DBE_Annotated.jpg Wed, 26 Mar 2025 17:50:04 -0300 https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/M17-Omega-Nebula&image=masterLight_BIN_1_8256x5504_EXPOSURE_300_00s_FILTER_LPR_combined_RGB_autocrop_RGB_combination_DBE.jpg
M17 the Omega Nebula, also known as the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula (catalogued as Messier 17 or M17 or NGC 6618) is an H II region in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745. Charles Messier catalogued it in 1764. It is by some of the richest starfields of the Milky Way, figuring in the northern two-thirds of Sagittarius. – Wikipedia.

Note: click on the image to view it at the full resolution of the uploaded image, then click again for actual size.

Total image time was 1.5 hours.

Exposure	18x5 min.
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	120mm Skywatcher Esprit on a Celestron CGX mount
Guiding	ZWO ASI224MC using Phd2
Controller	Kstars on MeLe Quieter 3C
Filter	Triad Quad Ultra
Location	Lower Sackville, Nova Scotia.
Date	2023-07-28
Processing	Processed in PixInsight.	Dynamic Background Extractor BlurXTerminator NoiseXTerminator Generalize Hyperbolic Stretch CurvesTransformation CloneStamp

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Nebulae/M17-Omega-Nebula&image=masterLight_BIN_1_8256x5504_EXPOSURE_300_00s_FILTER_LPR_combined_RGB_autocrop_RGB_combination_DBE.jpg Wed, 26 Mar 2025 17:50:04 -0300