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Thursday, November 26, 2009

Older photos with DSLR - Clusters

M13 Globural Cluster & NGC6207 Galaxy
Skywatcher ED80 - Canon 400D - HEQ5 Pro



Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster) is a globular cluster in the constellation of Hercules.M13 is about 145 light-years in diameter, and it is composed of several hundred thousand stars, the brightest of which is the variable star V11 with an apparent magnitude of 11.95. M13 is 25,100 light-years away from Earth.


NGC 884 & NGC 869 - The Double Cluster in Persei
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Double Cluster is the common name for the naked-eye open clusters NGC 884 and NGC 869, which are close together in the constellation Perseus. NGC 884 and NGC 869 are at distances of 7600 and 6800 light-years away, respectively, so they are close to one another in space as well. They are relatively young clusters, with NGC 869 5.6 million years and NGC 884 at 3.2 million years according to the 2000 Sky Catalogue.


M4 - Globural Cluster
Skywatcher ED80 - Canon 400D - HEQ5 Pro



Messier 4 or M4 (also designated NGC 6121) is a globular cluster in the constellation of Scorpius. It was discovered by Philippe Loys de Chéseaux in 1746 and catalogued by Charles Messier in 1764. It was the first globular cluster in which individual stars were resolved.M4 is a rather loosely concentrated cluster of class IX and measures 75 light years across.


M45 - Pleiades Open Cluster
Skywatcher ED80 - Canon 400D - HEQ5 Pro


M13 Globural Cluster & NGC6207 Galaxy
Skywatcher ED80 - Canon 400D - HEQ5 Pro

In astronomy, the Pleiades, or Seven Sisters (Messier object 45), is an open star cluster containing middle-aged hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky. Pleiades has several meanings in different cultures and traditions.

Saturday, October 31, 2009

Older photos with DSLR - Nebulae

M17 - Omega 'Swan' Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Omega Nebula, also known as the Swan Nebula and the Horseshoe Nebula[2] (catalogued as Messier 17 or M17 and as NGC 6618) is an H II region in the constellation Sagittarius.The Omega Nebula is between 5,000 and 6,000 light-years from Earth and it spans some 15 light-years in diameter. The cloud of interstellar matter of which this nebula is a part is roughly 40 light-years in diameter.


M20 - Trifid Nebula & M21 Open Cluster
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Trifid Nebula (catalogued as Messier 20 or M20 and as NGC 6514) is an H II region located in Sagittarius. Its name means 'divided into three lobes'. The object is an unusual combination of an open cluster of stars, an emission nebula (the lower, red portion), a reflection nebula (the upper, blue portion) and a dark nebula (the apparent 'gaps' within the emission nebula that cause the trifid appearance.


NGC 7635 - Bubble Nebula & NGC 7538 Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Bubble Nebula in Barnard's Galaxy has the official designation of Hubble 1925 I as it was the first (Roman numeral 1) object recorded in Hubble 1925. It includes areas of bright H II[1] emission. It is located north-west of the larger Hubble III.


NGC 281 - Packman Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



NGC 281 is an H II region in the constellation of Cassiopeia and part of the Perseus Spiral Arm. It includes the open cluster IC 1590, the multiple star HD 5005, and several Bok globules. Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character.


NGC 7000 - North America Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The North America Nebula (NGC 7000 or Caldwell 20) is an emission nebula in the constellation Cygnus, close to Deneb (the tail of the swan and its brightest star). The remarkable shape of the emission nebula resembles that of the continent of North America, complete with a prominent Gulf of Mexico. It is sometimes wrongly called the "North American" nebula.


M16 - Eagle Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Eagle Nebula (catalogued as Messier 16 or M16, and as NGC 6611) is a young open cluster of stars in the constellation Serpens, discovered by Jean-Philippe de Cheseaux in 1745-46. Its name derives from its shape which is resemblant of an eagle. It is the subject of a famous photograph by the Hubble Space Telescope, which shows pillars of star-forming gas and dust within the nebula.


NGC 6992 - Eastern Veil Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro




NGC 6960 - Western Veil Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Veil Nebula, is part of the Cygnus Loop, radio source W78, or Sharpless 103. Other parts of the loop include the 'Eastern Veil', the 'Western Veil' or 'Witch's Broom Nebula', and Pickering's Triangular Wisp. It is a large, relatively faint supernova remnant in the constellation Cygnus. The source supernova exploded some 5,000 to 8,000 years ago, and the remnants have since expanded to cover an area of ~3x3 degrees; about 6 times the diameter or 36 times the area of a full moon. The distance to the nebula is not precisely known, with estimates ranging from 1,400 to 2,600 light-years.


Μ42 - Orion Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated south[b] of Orion's Belt. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. M42 is located at a distance of 1,344 ± 20 light years.


M27 - Dumbbell Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Dumbbell Nebula (also known as Messier 27, M 27, or NGC 6853) is a planetary nebula (PN) in the constellation Vulpecula, at a distance of about 1,360 light years.


M8 - Lagoon Nebula
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Lagoon Nebula (catalogued as Messier 8 or M8, and as NGC 6523) is a giant interstellar cloud in the constellation Sagittarius. It is classified as an emission nebula and as an H II region.

Saturday, October 24, 2009

Older photos with DSLR - Galaxies

M31 - Andromeda Galaxy
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Andromeda Galaxy is a spiral galaxy approximately 2,500,000 light-years (1.58×1011 AU) away[4] in the constellation Andromeda. It is also known as Messier 31, M31, or NGC 224, and is often referred to as the Great Andromeda Nebula in older texts. Andromeda is the nearest spiral galaxy to our own, the Milky Way.


M33 Triangulum Galaxy
Skywatcher ED80 - Canon 400D - HEQ5 Pro



The Triangulum Galaxy is a spiral galaxy at approximately 3 million light years (ly) distance in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598, and is sometimes informally referred to as the Pinwheel Galaxy, a moniker it shares with Messier 101.


M81 - M82 Galaxies
Skywatcher ED80 - Canon 400D - HEQ5 Pro



Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away in the constellation Ursa Major.Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is the prototype[5] nearby starburst galaxy about 12 million light-years away in the constellation Ursa Major.

Thursday, June 4, 2009

Older photos with DSLR - Moon

Partial Eclipse - Aug 2008





Sea of Tranquillity & Marsh of Sleep




Mare Serenitatis & Crater Posidonius




Moon Phases

Full Moon



Half Moon



3 days Moon

Saturday, March 14, 2009

Older photos with DSLR - Comets

Comet-17P-Holmes 2007
Skywatcher 200 f/5, Canon 400D, HEQ5 Pro



Comet Holmes (official designation: 17P/Holmes) is a periodic comet in our solar system, discovered by the British amateur astronomer Edwin Holmes on November 6, 1892. Although normally a very faint object, Holmes became notable during its October 2007 return when it temporarily brightened by a factor of about half a million, in what was the largest known outburst by a comet, and became visible to the naked eye. It also briefly became the largest object in the solar system, as its coma (the thin dissipating dust ball around the comet) expanded to a diameter greater than that of the Sun (although its mass remained minuscule).