M13, one of the brighter globular clusters to be seen from the Northern Hemisphere shows off its mixture of blue and gold stars, under dark skies in Northern New Mexico. Equipment: ZWO ASI1600MM-C Camera @ -20C and Gain:139 Offset:21 Software Bisque MyT Mount Celestron EdgeHD 800 8" SCT, with Lepus 0.62x reducer, f/6.2 at 1260mm Software: Pixinsight Commercial Version 1.8 Lightroom CC Light Frames: Luminance: 12 x 150 secs (30 mins) Red: 8 x 120 secs (16 mins) Green: 8 x 120 secs (16 mins) Blue: 8 x 120 secs (16 mins) Dark Frames: 20 x 120 secs (24 mins) 20 x 150 secs (50 mins) More Details From Wikipedia: Messier 13 (M13), also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of several hundred thousand stars in the constellation of Hercules. M13 was discovered by Edmond Halley in 1714, and cataloged by Charles Messier on June 1, 1764 into his list of objects not to mistake for comets; Messier's list, including Messier 13, eventually became known as the Messier Catalog.[8]
This relatively bright region in the constellation Cygnus is famous for its resemblance to the North American continent, including a prominent Gulf of Mexico area. The Wall section is the bright region of Hα emission that runs along the lower edge of the frame. This image is over 19 hours of data, primarily in Hα and OIII, with about an hour's worth of RGB data used for the stars. Equipment: ZWO ASI1600MM-C Camera @ -15C and Gain:200 Offset:50 Software Bisque MyT Mount Stellarvue SVQ100 Astrograph Refractor, 580mm @ f/5.8 Innovations Foresight ONAG Software: Pixinsight Commercial Version 1.8 Lightroom CC Photoshop CC Innovations Foresight SkyGuard Light Frames: Hα: 105 x 240 secs (7 hrs ) OIII: 175 x 240 secs (11 hrs 40 mins) Red:46 x 30 secs (23 mins) Green:46 x 30 secs (23 mins) Blue: 46 x 30 secs (23 mins) 19 hrs 49 mins total Dark Frames: 10 x 30 secs each, RGB (15 mins total) 10 x 240 secs each, Hα, OIII(1 hr 20 mins total) Bias Frames 60 Flat Frames 20 each filter
The area made famous by the Hubble 'Pillars of Creation' image is also accessible to amateurs to image. This is a modified palette mixing the 3 typical narrowband filters into a modified SHO result. Equipment: ZWO ASI1600MM-C Camera @ -20C and Gain:200 Offset:50 Software Bisque MyT Mount Stellarvue SVQ100 Astrograph Refractor, 580mm @ f/5.8 Innovations Foresight ONAG Software: Pixinsight Commercial Version 1.8 Lightroom CC Photoshop CC Innovations Foresight SkyGuard Light Frames: Ha - 46 x 360 secs ( 4 hrs 36 mins) OIII - 40 x 360 secs (4 hrs) SII - 43 x 360 secs (4 hrs and 18 mins) Red: 7 x 30 secs 3 mins 30 secs) Green: 4 x 30 secs (3 mins 30 secs) Blue: 7 x 30 secs (3 mins 30 secs) 13 hrs 4 mins 30 secs total Dark Frames: 10 x 60 secs (20 mins) Bias Frames 60 Flat Frames 20 each filter Additional data from Wikipedia: 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, discovered by Jean-Philippe de Cheseaux in 1745–46. Both the "Eagle" and the "Star Queen" refer to visual impressions of the dark silhouette near the center of the nebula,[3][4] 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.
