Astrometry Collection

The Pinwheel Cluster and Starfish Cluster in the constellation Auriga
The Pinwheel Cluster (left), and the Starfish Cluster (right), in the constellation Auriga. The area is surrounded by a nebulosity including NGC 1931 (bottom center), IC 417 (right center)

Center of the Milky Way through Sagittarius and Scorpius
The Milky Way in Sagittarius (bottom) and Scorpius (left and top) including the Galactic Centre area at centre frame. Along the Milky Way are numerous deep sky objects

Conjunction of Venus, Mercury, Jupiter and Mars at dawn
Venus, Mercury, Jupiter and Mars from top to bottom in a nice conjunction at dawn in Buenos Aires, Argentina

Black Hole Singularity Diagram
A diagram explaining the Event Horizon of a black hole

Widefield view of Orion Nebula and Horsehead Nebula
Widefield view of Orion Nebula (Messier 42), and Horsehead Nebula

Mosaic of the southern Milky Way from Vela to Centaurus
Mosaic of the southern Milky Way from Vela (right) to Centaurus (left) taking in Carina and Crux (center)

Panorama view of the center of the Milky Way
A panorama of the center of the Galaxy portion of the southern hemisphere Milky Way, from Crux at right to Aquila at left

The constellation of Leo and the Coma Star Cluster in Coma Berenices. The slight brightening at bottom is from Gegenschein

The Orion constellation

The area around the head of Scorpius, including the bright star Antares at lower left of centre and the dark lanes leading to the star Rho Ophiuchi

The Orion Nebula, Belt of Orion, Sword of Orion and nebulosity
The Orion Nebula, Belt of Orion, Sword of Orion, Barnards Loop (left), small reflection nebula Messier 78 (above center), Horshead Nebula (center), and NGC 2024 (above Horsehead Nebula)

Diagram of the orbits of the planets

The Andromeda Galaxy and Triangulum Galaxy with star clusters
Full frame image showing the Andromeda Galaxy (Messier 31), at upper center, the Triangulum Galaxy (Messier 33), below center, NGC 752 star cluster (left of center)

The Auriga constellation showing lanes of dark nebulosity
A deep exposure image of the Auriga constellation showing lanes of dark nebulosity

Orion and Canis Major showing dog stars Sirius and Procyon
Orion and Canis Major, taking in Canis Minor as well, including the dog stars Sirius (lower) and Procyon (upper left). Around Orion you can see Barnards Loop

A diagram showing the eccentric orbit of Chiron

Pegasus constellation in the northern sky

Messier 4 and NGC 6144 globular clusters with Antares, a red supergiant star
Messier 4 and NGC 6144 globular clusters in the constellation Scorpius, with the red supergiant star Antares

A diagram illustrating how eclipses are created

Orion and the Winter Triangle stars; Sirius, Procyon and Betelgeuse. M50, M46, M47 and M41 open clusters are all visible at left

Scorpius with parts of Lupus and Ara regions of the southern Milky Way
All of Scorpius, plus parts of Lupus and Ara regions of the southern Milky Way. Along the Milky Way are numerous nebulae, including the False Comet area, the Cats Paw area

The Large Magellanic Cloud and bright star Canopus

Star trails above a dark Maranjab Desert, Iran

Omega Centauri globular cluster in the constellation Centaurus

The Grand Carina Nebula in the southern sky. The Carina Nebula is a hydrogen-rich diffuse nebula

A diagram comparing the Sun to VY Canis Majoris, the largest known star

The Bubble Nebula and open star cluster in the Cassiopeia constellation

Nebulosity in Cassiopeia showing NGC 7822 and IC 1805
Nebulosity in Cassiopeia showing NGC 7822 (above center), and IC 1805 (at left)

The constellation of Virgo

The summer Milky Way on a clear moonless evening in Alberta, Canada
September 9, 2013 - The summer Milky Way on a clear moonless evening in Alberta, Canada

IC 59 and IC 62 faint reflection nebulae near Gamma Cassiopeia

The Coalsack and Jewel Box Cluster in the Southern Cross
The Coalsack and Jewel Box Cluster area on the east side of Crux, the Southern Cross. The Coal Sack, which to the eye looks like a large dark patch, under photography breaks up into small patches

Artists depiction of a binary star system with a close orbiting planet
An artists depiction of a binary star system with a close orbiting planet

Southern Milky Way with Eta Carinae, Crux and Alpha & Beta Centauri
Area of southern Milky Way containing Eta Carinae, Crux and Alpha & Beta Centauri

Northern summer / autumn Milky Way from horizon to past the zenith, Alberta, Canada
September 20, 2011 - Northern summer/autumn Milky Way from horizon to past the zenith, Alberta, Canada

A 360 degree panorama with aurora and bands of airglow at a Summer Star Party
August 19, 2012 - A 360 degree panorama of the main observing field at the Meadows Campground at Cypress Hills Interprovincial Park, Saskatchewan, Canada, for the annual Summer Star Party

Bubble Nebula and Cave Nebula mosaic
A mosaic of the region in Cassiopeia and Cepheus containing the Bubble Nebula (NGC 7635) at lower left, and the Cave Nebula (Sh 2-155) at upper right. At left is the bright open cluster Messier 52

Star trails above Dzordza church, Iran
Star trails above Dzordza church, Azarbaijan Province, Northwestern Iran

Widefield view of the Large Magellanic Cloud

Open cluster NGC 7789 in the constellation Cassiopeia

The constellations of Corvus and Crater with nearby deep sky objects
The constellations of Corvus and Crater. The bright star Spica in Virgo is at left

Nebulosity in the constellations Cassiopeia and Cepheus showing IC 1396 (at right), and IC 1805 (at left)

The constellations of Auriga and southern Gemini, showing the four Messier star clusters: M36, M37, M38 in Auriga and M35 in Gemini

Antares and Scorpius Head area with Rho Ophiuchi nebulosity field oriented equatorially

Our sun and the star Sirius compared to a red giant
Our Sun and the star Sirius compared to a red giant

Alpha and Beta Centauri in the southern constellation of Centaurus

Northern autumn constellations rising over a road in Banff National Park, Canada
July 29, 2012 - The northern autumn constellations of Andromeda, Cassiopeia, Perseus, and Pegasus rising over a road in Banff National Park, Alberta, Canada

Artists concept of Kepler 444. It is currently the oldest known planetary system in our galaxy. All five planets are smaller than Earth

Widefield view of the Gemini constellation with nearby deep sky objects
Widefield view of the Gemini constellation with many deep sky objects visible

The Moon, Saturn, Mars and Spica in a quadruple conjunction over the lagoon in Chascomus, Argentina

Venus, Mercury and Mars above the glowing horizon at dawn

Exoplanet Discovery Technique Diagram
Diagram illustrating how extrasolar planets can be discovered by the dimming of a stars light as the planet passes in front of it

Orion and Monoceros region

Diagram showing how planets orbit within a ring of dust surrounding Beta Pictoris
A diagram showing how the planets of Beta Pictoris orbit within a ring of dust surrounding the star

The sun compared to four typical large stars
The Sun compared to four typical large stars

Constellations Cygnus and Lyra with nearby deep sky objects
Constellations Cygnus and Lyra. The North America Nebula is visible at top left and Gamma Cygni nebulosity left of center. The Cygnus star cloud is at center, Veil Nebula at lower left

Conjunction of the moon, Jupiter, Mars and Venus
The Moon, Jupiter, Mars and Venus get aligned in the constellations Pisces-Cetus

Panorama of Waterton Lakes National Park overlooking the townsite
August 31, 2013 - Panorama of Waterton Lakes National Park around Upper Waterton Lake, overlooking the townsite on a dark moonless night

The Earth compared to the sun, a white dwarf and a neutron star
The Earth compared to the Sun, a white dwarf and a neutron star

The constellation of Canis Major with nearby deep sky objects
The constellation of Canis Major, with Sirius at upper right, Messier 41 cluster to the left of Sirius, and M46 and M47 clusters above at upper right

The moon and Venus in conjunction over Buenos Aires, Argentina
The moon and Venus in conjunction with the city of Buenos Aires, Argentina in the background

Fish-eye lens view of the northern winter sky
February 7, 2013 - Fish-eye lens view of the northern winter sky on a partly hazy night with some clouds reflecting light pollution from sodium vapour highway and street lights

Astronomers observe polar star trails above a mountain in Iran
Astronomers observe polar star trails above the highest mountain in Iran

Star trails above the Private Palace of Cyrus the Great, Pasargad, Iran
Star trails above the Private Palace of Cyrus the Great, Pasargadae, Fars Province, Iran

Artists concept of a binary star system
This binary star system is known to harbor a few select planets; watching curiously from afar at their bright parent suns

The constellation of Cancer with nearby deep sky objects
The constellation of Cancer with the star cluster Messier 44 at center. Pollux is at upper right, Procyon at lower right, and Regulus at lower left

The Taurus region showing dark lanes of nebulosity

NGC 457, the Owl Cluster, in the constellation Cassiopeia

Eclipsing Binary Diagram. Otherwise invisible planets can be discovered by observing the drop in illumination from their star as they pass in front of it

Possible structures surrounding the star KIC 8462852
An artists illustration of the possible structures surrounding the star KIC 8462852. The Kepler observatory has discovered massive objects in orbit around the star

Open cluster Messier 39 in the constellation Cygnus

Widefield view of the southern constellations of Centaurus and Crux
Widefield view of Alpha and Beta Centauri stars in the southern constellation of Centaurus, along with the Southern Cross in the constellation Crux

The North America Nebula and dark nebulae in Cygnus
The area of northern Cygnus showing the dark nebula LeGentil 3 north of Cygnus in the Milky Way, along with the North America Nebula and the Pelican Nebula near Deneb

Fish-eye panorama of Milky Way above the Table Mountain Star Party in Washington state
July 25, 2014 - A 360 degree panorama of the Table Mountain Star Party held at the Eden Valley Guest Ranch in northern Washington state

Winter Milky Way from New Mexico
March 10, 2015 - A vertical sweep with a 15mm ultrawide lens from the horizon to past the zenith, taking in a large part of the northern winter Milky Way

An artists rendition comparing brown dwarfs to stars and planets
This figure shows an artists rendition comparing brown dwarfs to stars and planets. All objects are plotted to the same scale. On the far left is the limb of the Sun

The colorful region around Antares in Scorpius and blue Rho Ophiuchi in Ophiuchus
The colorful region around yellow Antares (bottom) in Scorpius and blue Rho Ophiuchi (top) in Ophiuchus. The nebulae are largely reflection nebulae

Aquila constellation and the Serpens-Ophiuchus double cluster of IC 4756 and NGC 663. Altair and Terazed stars are visible at top

Zodiacal light in dawn sky, Alberta, Canada
October 7, 2013 - The zodiacal light in the pre-dawn sky in Alberta, Canada. Leo is just rising left of centre, with Mars above Regulus. Jupiter in Gemini is the bright object above centre

Winter sky panorama with various deep sky objects

Artists concept of the smallest star known to host a planet
This artists concept shows the smallest star known to host a planet. The planet, called VB 10b, was discovered using astrometry

Messier 31, the Andromeda Galaxy. This image captured with a telescope and a scientific CCD camera

Messier 6, the Butterfly Cluster in the constellation of Scorpius

Comet Hartley 2 as it approaches the Double Cluster in Perseus
October 7, 2010 - Comet Hartley 2 as it approaches the Double Cluster in Perseus

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Astrometry takes us on a captivating journey through the vastness of our universe. In the constellation Auriga, we find ourselves mesmerized by the ethereal beauty of the Pinwheel Cluster and Starfish Cluster, their celestial dance leaving us in awe. As dawn breaks, a spectacular conjunction unfolds before our eyes. Venus, Mercury, Jupiter, and Mars align in perfect harmony, painting the morning sky with their radiant presence. Venturing further into space, we encounter Messier 53—a breathtaking globular cluster nestled within the Coma Berenices constellation. Its shimmering stars form an intricate tapestry that captivates astronomers worldwide. The Widefield view reveals a stunning panorama of both the Orion Nebula and Horsehead Nebula. These cosmic wonders ignite our imagination as they unveil secrets hidden within their luminous depths. Our gaze then turns towards a mosaic capturing the southern Milky Way from Vela to Centaurus—an expanse so vast it leaves us feeling infinitesimally small yet connected to something grander than ourselves. With bated breath, we behold a panoramic view of the center of our galaxy—the Milky Way—its swirling arms beckoning us to explore its mysteries and marvel at its sheer magnitude. Delving deeper into astrophysics, we are confronted with a Black Hole Singularity Diagram—a visual representation that challenges our understanding of space-time itself while igniting curiosity about these enigmatic cosmic phenomena. Returning closer to home but no less enchanting is Orion—the mighty hunter gracing our night sky. His belt shines brightly amidst nebulosity that whispers tales of stellar birth and evolution across eons past. Scorpius guards his territory fiercely; however, his head offers an exquisite spectacle for stargazers. The area surrounding it teems with celestial treasures waiting to be discovered by those who dare venture forth into this astral realm. Intricate diagrams depicting planetary orbits remind us of Earth's place in the cosmic ballet.