History of Astrophotography Timeline
... 1876/1878- In 1876 Jules Janssen presents his first solar photographs to the French Academy of Sciences (10 to 70 cm diameter). These wet collodion images were obtained with a 150 mm refractor with exposures of 1/500 to 1/6000s. During 1877/1877 Jules Janssen obtains a high number of solar photograp ...
... 1876/1878- In 1876 Jules Janssen presents his first solar photographs to the French Academy of Sciences (10 to 70 cm diameter). These wet collodion images were obtained with a 150 mm refractor with exposures of 1/500 to 1/6000s. During 1877/1877 Jules Janssen obtains a high number of solar photograp ...
Powerpoint file as used in presentation
... 70,000 per second with a typical tracking rate over 80%. Periods when the tracker was locked onto a side fringe (three are shown) are detected by the tracking algorithm after typically 1/2 second, leading to a correction and invalidation of the intervals where it may not have been correctly tracking ...
... 70,000 per second with a typical tracking rate over 80%. Periods when the tracker was locked onto a side fringe (three are shown) are detected by the tracking algorithm after typically 1/2 second, leading to a correction and invalidation of the intervals where it may not have been correctly tracking ...
Optronic Laboratories, Inc. The OL Series 730
... lets the shows userwhat see happens whatinside is being themeasured solid housing ...
... lets the shows userwhat see happens whatinside is being themeasured solid housing ...
What to do to a Dob
... What needs adjustment? • Insertion of the secondary mirror • Orientation of the secondary mirror ...
... What needs adjustment? • Insertion of the secondary mirror • Orientation of the secondary mirror ...
NexStar SLT Series Manual
... The NexStar’s deluxe features combined with Celestron’s legendary optical standards give amateur astronomers one of the most sophisticated and easy to use telescopes available on the market today. Take time to read through this manual before embarking on your journey through the Universe. It may tak ...
... The NexStar’s deluxe features combined with Celestron’s legendary optical standards give amateur astronomers one of the most sophisticated and easy to use telescopes available on the market today. Take time to read through this manual before embarking on your journey through the Universe. It may tak ...
AR2012 - Vatican Observatory
... Observatory and younger researchers. His solution was to open the observatory to students for a month-long intensive program on some aspect of astrophysics. The first school occurred in 1986, and they have been held roughly every two years since then. The goal of the schools is to give young astrono ...
... Observatory and younger researchers. His solution was to open the observatory to students for a month-long intensive program on some aspect of astrophysics. The first school occurred in 1986, and they have been held roughly every two years since then. The goal of the schools is to give young astrono ...
1 The Hubble Story (10:56)
... Hubble is an upgradeable, space-based telescope orbiting at almost 600 km, placing it well above most of our image-distorting atmosphere. It is designed to take highresolution images and accurate spectra by concentrating starlight to form sharper images than are possible from the ground, where the a ...
... Hubble is an upgradeable, space-based telescope orbiting at almost 600 km, placing it well above most of our image-distorting atmosphere. It is designed to take highresolution images and accurate spectra by concentrating starlight to form sharper images than are possible from the ground, where the a ...
Chapter 1 Telescopes 1.1 Lenses
... the diameter of the objective of a telescope, the greater the number of stars that can be seen. Planets and other astronomical objects in the solar system are magnified using a telescope (unlike stars which are point objects and are seen through telescopes as point images no matter how large the mag ...
... the diameter of the objective of a telescope, the greater the number of stars that can be seen. Planets and other astronomical objects in the solar system are magnified using a telescope (unlike stars which are point objects and are seen through telescopes as point images no matter how large the mag ...
Document
... identify and subtract the signal in its detection band from every merging neutron star and black hole binary in the universe. It will also extend LISA’s scientific program of measuring wavesfrom the merging of intermediate-mass black holes at any redshift, and will refine the mapping of space-time a ...
... identify and subtract the signal in its detection band from every merging neutron star and black hole binary in the universe. It will also extend LISA’s scientific program of measuring wavesfrom the merging of intermediate-mass black holes at any redshift, and will refine the mapping of space-time a ...
The Hubble Space Telescope Optical Systems Failure Report
... The HST was designed to be the first of the great space observatories. It was launched aboard the Space Shuttle and placed in an Earth orbit approximately 607 kilometers in altitude. The expected life of the telescope is about 15 years, with instrument changeouts every 3 to 5 years. The goal of the ...
... The HST was designed to be the first of the great space observatories. It was launched aboard the Space Shuttle and placed in an Earth orbit approximately 607 kilometers in altitude. The expected life of the telescope is about 15 years, with instrument changeouts every 3 to 5 years. The goal of the ...
The Hubble Space Telescope Optical Systems Failure Report
... The HST was designed to be the first of the great space observatories. It was launched aboard the Space Shuttle and placed in an Earth orbit approximately 607 kilometers in altitude. The expected life of the telescope is about 15 years, with instrument changeouts every 3 to 5 years. The goal of the ...
... The HST was designed to be the first of the great space observatories. It was launched aboard the Space Shuttle and placed in an Earth orbit approximately 607 kilometers in altitude. The expected life of the telescope is about 15 years, with instrument changeouts every 3 to 5 years. The goal of the ...
Manufacture of mirror glass substrates for the NuSTAR mission
... mirror assemblies capable of imaging X-rays in the hard X-ray band between 5 keV and 80 keV. It will be the first X-ray observatory using multilayer coatings to significantly expand the bandwidth of the typical X-ray telescope of 0.1 keV to 10 keV. The mirror assemblies use a segmented design to sim ...
... mirror assemblies capable of imaging X-rays in the hard X-ray band between 5 keV and 80 keV. It will be the first X-ray observatory using multilayer coatings to significantly expand the bandwidth of the typical X-ray telescope of 0.1 keV to 10 keV. The mirror assemblies use a segmented design to sim ...
System Level # Requirements Document
... IFU-based spectrometer operating over a wavelength range 0.8-2.5µm. Will use multiple IFUs and access a 5 arcmin diameter field. It is expected to benefit from developments in multi-object adaptive optics (MOAO). Mid-IR High-resolution Echelle Spectrometer (MIRES): Diffraction-limited, 5000 < R < ...
... IFU-based spectrometer operating over a wavelength range 0.8-2.5µm. Will use multiple IFUs and access a 5 arcmin diameter field. It is expected to benefit from developments in multi-object adaptive optics (MOAO). Mid-IR High-resolution Echelle Spectrometer (MIRES): Diffraction-limited, 5000 < R < ...
previous lectures - Gwynedd Astronomy Society
... Adaptive optics Tides Motor drives for telescopes James Nasmyth Aids to observation X-ray binaries Black hole in M87 Comet Shoemaker-Levy NASA bulletins on the Internet SOS for the Earth / Missing mass Deep sky objects Titan Dark matter Shareware - Our Cosmohood / Skyglobe History of astronomy Optic ...
... Adaptive optics Tides Motor drives for telescopes James Nasmyth Aids to observation X-ray binaries Black hole in M87 Comet Shoemaker-Levy NASA bulletins on the Internet SOS for the Earth / Missing mass Deep sky objects Titan Dark matter Shareware - Our Cosmohood / Skyglobe History of astronomy Optic ...
Document
... • I will expect you to do the reading BEFORE class • Then if you want, go back and read more deeply after the lecture, to resolve areas which seem confusing • From time to time I will give small “Reading Quizzes” at the start of a class, where I ask three questions that you’ll be able to answer easi ...
... • I will expect you to do the reading BEFORE class • Then if you want, go back and read more deeply after the lecture, to resolve areas which seem confusing • From time to time I will give small “Reading Quizzes” at the start of a class, where I ask three questions that you’ll be able to answer easi ...
Towards the Intensity Interferometry Stellar Imaging System
... to image hot stars (typical diameters < 1 mas) SAI would need considerably longer baselines, and would need to operate in the visible (difficult) or blue (very difficult). Intensity interferometry is well matched to blue/visible operation, and scales to long baselines with ease (the atmospheric stab ...
... to image hot stars (typical diameters < 1 mas) SAI would need considerably longer baselines, and would need to operate in the visible (difficult) or blue (very difficult). Intensity interferometry is well matched to blue/visible operation, and scales to long baselines with ease (the atmospheric stab ...
NOTES Meeting 9/17/2007 - Caltech Optical Observatories
... Adkins: Partitioning of the architecture is important. Johansson: How do the sub-systems tie together so it will work as an instrument? Adkins: Define the sub-systems and then define interfaces and instantiation. Johansson: Functional issues not captured properly. Max: David's stuff is not integrate ...
... Adkins: Partitioning of the architecture is important. Johansson: How do the sub-systems tie together so it will work as an instrument? Adkins: Define the sub-systems and then define interfaces and instantiation. Johansson: Functional issues not captured properly. Max: David's stuff is not integrate ...
Minutes SSWG_10
... Ken: informal trades between partners, like at WIYN, won’t work. Larry: HET now says that targets are high priority, but only in bright time. If 20% of projects that have high priority, this will ensure they get done. If these were at 30 or 40% priority 1, then they wouldn’t all get done. David: po ...
... Ken: informal trades between partners, like at WIYN, won’t work. Larry: HET now says that targets are high priority, but only in bright time. If 20% of projects that have high priority, this will ensure they get done. If these were at 30 or 40% priority 1, then they wouldn’t all get done. David: po ...
... GRAAL is an adaptive optics module developed in the frame of the Adaptive optics facility (AOF), it offers an improved seeing quality to its client instrument, Hawk-I. In the introduction, we present the concept of ground layer adaptive optics, the instrument and the AOF. The following sections prov ...
Near-Earth Asteroid Search Programs
... to discover 90% of all potential impactors with diameters in excess of 1 km by the year 2008 (NASA, 1998). One-kilometer-diameter asteroids are thought to mark the threshold size for globally catastrophic consequences in a collision, and various models indicate there are between 500 and 2100 such ob ...
... to discover 90% of all potential impactors with diameters in excess of 1 km by the year 2008 (NASA, 1998). One-kilometer-diameter asteroids are thought to mark the threshold size for globally catastrophic consequences in a collision, and various models indicate there are between 500 and 2100 such ob ...
DOBSONIAN TELESCOPE - Raleigh Astronomy Club
... for assembly, initial use, long term operation, and maintenance. There are seven major sections to the manual. The first section covers the proper procedure for setting up your Celestar telescope. This includes setting up the tripod, attaching the telescope to the mount, balancing the telescope, etc ...
... for assembly, initial use, long term operation, and maintenance. There are seven major sections to the manual. The first section covers the proper procedure for setting up your Celestar telescope. This includes setting up the tripod, attaching the telescope to the mount, balancing the telescope, etc ...
Lecture #1 Basic Concepts and Principles of Adaptive Optics
... A Reference Star (or guide star) is a light source, which is used to provide a wave whose phase geometry before encountering the atmosphere is known sufficiently well in order to be able to measure distortions introduced by the atmosphere. It needs to be bright enough so that sufficient photons are ...
... A Reference Star (or guide star) is a light source, which is used to provide a wave whose phase geometry before encountering the atmosphere is known sufficiently well in order to be able to measure distortions introduced by the atmosphere. It needs to be bright enough so that sufficient photons are ...
ALMA band 9 optical layout
... A fundamental mode Gaussian beam propagation trough the system calculated by using (13) is shown in Figure 2.7. Gaussian beams are shown for 1w and 2.5w beam radii, input and output distances ( R1 , R 4 ) Mirrors should pass 5 w diameter beam in order to reduce truncation losses. The calculation was ...
... A fundamental mode Gaussian beam propagation trough the system calculated by using (13) is shown in Figure 2.7. Gaussian beams are shown for 1w and 2.5w beam radii, input and output distances ( R1 , R 4 ) Mirrors should pass 5 w diameter beam in order to reduce truncation losses. The calculation was ...
information on Astronomy Basics and
... scribe ouT recognizable circles cenTered on The pole (1). sTars near The celesTial equaTor also follow circular paThs around The pole. buT, The compleTe paTh is inTerrupTed by The horizon. These appear To rise in The easT and seT in The wesT (2). looking Toward The opposiTe pole, sTars curve or arc ...
... scribe ouT recognizable circles cenTered on The pole (1). sTars near The celesTial equaTor also follow circular paThs around The pole. buT, The compleTe paTh is inTerrupTed by The horizon. These appear To rise in The easT and seT in The wesT (2). looking Toward The opposiTe pole, sTars curve or arc ...
James Webb Space Telescope
The James Webb Space Telescope (JWST), previously known as Next Generation Space Telescope (NGST), is a space observatory under construction and scheduled to launch in October 2018. The JWST will offer unprecedented resolution and sensitivity from long-wavelength visible to the mid-infrared, and is a successor instrument to the Hubble Space Telescope and the Spitzer Space Telescope. The telescope features a segmented 6.5-meter (21 ft) diameter primary mirror and will be located near the Earth–Sun L2 point. A large sunshield will keep its mirror and four science instruments below 50 K (−220 °C; −370 °F).JWST's capabilities will enable a broad range of investigations across the fields of astronomy and cosmology. One particular goal involves observing some of the most distant objects in the Universe, beyond the reach of current ground and space based instruments. This includes the very first stars, the epoch of reionization, and the formation of the first galaxies. Another goal is understanding the formation of stars and planets. This will include imaging molecular clouds and star-forming clusters, studying the debris disks around stars, direct imaging of planets, and spectroscopic examination of planetary transits.In gestation since 1996, the project represents an international collaboration of about 17 countries led by NASA, and with significant contributions from the European Space Agency and the Canadian Space Agency. It is named after James E. Webb, the second administrator of NASA, who played an integral role in the Apollo program.The JWST has a history of major cost overruns and delays. The first realistic budget estimates were that the observatory would cost $1.6 billion and launch in 2011. NASA has now scheduled the telescope for a 2018 launch. In 2011, the United States House of Representatives voted to terminate funding, after about $3 billion had been spent and 75 percent of its hardware was in production. Funding was restored in compromise legislation with the US Senate, and spending on the program was capped at $8 billion. As of December 2014, the telescope remained on schedule and within budget, but at risk of further delays.