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Leo_Triplet_with_tidal_trail.jpg

13 files, last one added on Aug 02, 2013

 

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Random files - astro9d's Gallery
Leo_Triplet_with_tidal_trail.jpg
Leo Triplet with Tidal Trail1070 viewsMessier 65, Messier 66, and NGC 3628 are commonly known as the Leo Triplet. M 65 is a spiral galaxy whose center is comprised of older yellowish stars (bottom left center of image). M 66 (top center) and NGC 3628 (top right center of image; aka the hamburger galaxy) are suggested to have had a past encounter that resulted in a faint tidal trail seen coming off the top of NGC 3628. The image was captured with a modified Canon 40D (ISO 800) and a Takahashi E180 f/2.8 astrograph on a Paramount. Total exposure time was 8 hours (48 X 10 min guided sub-exposures; 13 darks; 64 flats; 64 flat darks). Calibrated and stacked with Images Plus 5.0; processed with PixInsight 1.8 followed by final Levels and Curves adjustment in Adobe Photoshop CS6.
Comet_PanSTARRS.jpg
Comet PanSTARRS on March 13th1245 viewsComet PanSTARRS taken with a Canon 50D and a Canon telephoto lens at 200 mm. Processed in Adobe Photoshop CS6
Comet_PanSTARRS_14_March_2013.jpg
Comet PanSTARRS1193 viewsComet PanSTARRS taken with a TeleVue 85 refractor and a Canon 50D (10 second exposure at ISO 100 processed in Images Plus 5.0 and Adobe Photoshop CS6.
NGC_291_in_Cassiopeia.jpg
NGC 2811145 viewsNGC 281 is an emission nebula in Cassiopeia discovered in 1881 by Edward E. Barnard while he was searching for comets with a 5-inch refractor. This image, which needs more exposure time, is through narrowband Oxygen[III] and Hydrogen alpha filters. The Oxygen and Hydrogen gas is ionized by the young cluster of stars in the center (IC 1590). Imaged with a Takahashi FSQ106ED; SBIG ST2000xm; Baader Filters; Paramount.
Flame_Nebula.JPG
The Flame Nebula1174 viewsThe flame nebula, also known as NGC 2024, is found in the constellation Orion. NGC 2024 is a H-II region containing a vast cloud of dust, and is part of the Orion B Molecular Cloud Complex. A cluster of young stars is hidden by the dark dust lane. Image taken with an Astro-Physics 130 mm f8 refractor and SBIG ST2000xcm camera on an AP1200 mount: Total exposure 6 hr 40 min (80 x 5 min lights; 30 darks; 64 flats; 64 flat darks; 64 bias).
The_reflection_Nebula_IC_2118_in_Eridanus.jpg
Reflection Nebula IC 21181190 viewsIC 2118 is a reflection nebula in the constellation Eridanus, which is believed to be an old supernova remnant that is illuminated by the nearby supergiant star Rigel in the constellation Orion. The image was taken with a Takahashi E-180 f/2.8 astrograph and a modified Canon 40D on a Paramount. Total exposure was 4 hrs 50 min; Calibrated in Images Plus 5.0; Gradient extraction; background neutralization, color balance in PixInsight 1.8; Adobe Photoshop CS6
M_97.jpg
Messier 97, the owl nebula1347 viewsMessier 97, aka the owl nebula, in Ursa Major is described in Admiral W. H. Smyth’s A Cycle of Celestial Objects (2nd Ed, 1881) as a “large planetary nebula, or globular collection of nebulous matter.” M97 has a three-shell structure; the red color of the Ha emission of the second shell is visible in the image. Image is a total of 8 hr exposure taken with an Astro-Physics 130mm f8 refractor and SBIG SR2000xcm on an AP 1200 mount (24 x 20 min lights, 30 darks, 64 flats, 64 flat darks, 64 bias) calibrated in Images Plus 5.0; color balance in PixInsight 1.8; Photoshop CS6
Medusa_Nebula_in_Gemini.jpg
Abell 211060 viewsAbell 21, aka the Medusa nebula, is found in the constellation Gemini. Abell 21 is a large old planetary nebula whose emission is powered by radiation of a blue star, which can be seen in the upper 1/3 of the nebula’s image. Image taken with a Takahashi Epsilon 180 f/2.8 astrograph and a modified Canon 40D.

Last additions - astro9d's Gallery
Leo_Triplet_with_tidal_trail.jpg
Leo Triplet with Tidal Trail1070 viewsMessier 65, Messier 66, and NGC 3628 are commonly known as the Leo Triplet. M 65 is a spiral galaxy whose center is comprised of older yellowish stars (bottom left center of image). M 66 (top center) and NGC 3628 (top right center of image; aka the hamburger galaxy) are suggested to have had a past encounter that resulted in a faint tidal trail seen coming off the top of NGC 3628. The image was captured with a modified Canon 40D (ISO 800) and a Takahashi E180 f/2.8 astrograph on a Paramount. Total exposure time was 8 hours (48 X 10 min guided sub-exposures; 13 darks; 64 flats; 64 flat darks). Calibrated and stacked with Images Plus 5.0; processed with PixInsight 1.8 followed by final Levels and Curves adjustment in Adobe Photoshop CS6.
Aug 02, 2013
Messier_3.jpg
Messier 31183 viewsMessier 3 is a rich globular cluster found in the constellation Canes Venatici, which was discovered by Charles Messier in 1764. M3 is believed to contain over a half a million stars. The image was taken with a 130mm f/8 Astro-Physics refractor and a SBIG 2000xcm CCD camera on an Astro-Physics 1200 mount (with guiding). Total exposure was 56 minutes (28 x 120 sec lights; 34 darks; 64 flats; 64 flat darks; 64 bias). Jun 19, 2013
Lynds_Dark_Nebula_673.jpg
Lynd's Dark Nebula 6731203 viewsLynd’s Dark Nebula 673 is an extensive dust cloud that can be found in the constellation Aquila. Image was taken with a modified Canon 40D DSLR camera (ISO 800) and a Takahashi Epsilon 180 f/2.8 astrograph on a Paramount. Image is a total of 3 hours 30 min exposure (42 x 5 min lights; 20 darks; 64 flats). Jun 13, 2013
M_97.jpg
Messier 97, the owl nebula1347 viewsMessier 97, aka the owl nebula, in Ursa Major is described in Admiral W. H. Smyth’s A Cycle of Celestial Objects (2nd Ed, 1881) as a “large planetary nebula, or globular collection of nebulous matter.” M97 has a three-shell structure; the red color of the Ha emission of the second shell is visible in the image. Image is a total of 8 hr exposure taken with an Astro-Physics 130mm f8 refractor and SBIG SR2000xcm on an AP 1200 mount (24 x 20 min lights, 30 darks, 64 flats, 64 flat darks, 64 bias) calibrated in Images Plus 5.0; color balance in PixInsight 1.8; Photoshop CS6Apr 17, 2013
Abell_21_and_NGC_2395.jpg
Abell 21 and NGC 23951351 viewsAbell 21 and the sparse open cluster NGC 2395 (upper left...a few bright stars distinguish it from the star field....barely) are found in the constellation Gemini. Image taken with a modified Canon 40D DSLR and a Takahashi E180 f/2.8 astrograph on a Paramount. Total of 11 hr 20 min exposure (136 x 5 min lights, 30 darks, 64 flats, 64 flat darks) and processed with Images Plus 5.0, PixInsight 1.7, and Adobe Photoshop CS6.Apr 16, 2013
The_reflection_Nebula_IC_2118_in_Eridanus.jpg
Reflection Nebula IC 21181190 viewsIC 2118 is a reflection nebula in the constellation Eridanus, which is believed to be an old supernova remnant that is illuminated by the nearby supergiant star Rigel in the constellation Orion. The image was taken with a Takahashi E-180 f/2.8 astrograph and a modified Canon 40D on a Paramount. Total exposure was 4 hrs 50 min; Calibrated in Images Plus 5.0; Gradient extraction; background neutralization, color balance in PixInsight 1.8; Adobe Photoshop CS6Apr 06, 2013
Comet_PanSTARRS.jpg
Comet PanSTARRS on March 13th1245 viewsComet PanSTARRS taken with a Canon 50D and a Canon telephoto lens at 200 mm. Processed in Adobe Photoshop CS6Mar 25, 2013
Comet_PanSTARRS_14_March_2013.jpg
Comet PanSTARRS1193 viewsComet PanSTARRS taken with a TeleVue 85 refractor and a Canon 50D (10 second exposure at ISO 100 processed in Images Plus 5.0 and Adobe Photoshop CS6.Mar 25, 2013