HUBBLE SPACE TELESCOPE DAILY REPORT #998 PERIOD COVERED: 0800 EST Daily Status Report as of 294/1200Z. 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed PC 4904 (The Nuclei of Nearby S0 and Spiral Galaxies - IIIA Snapshot Image) The Planetary Camera was used to make one observations of the low-red-shift galaxy NGC-1527 to study its surface brightness profile, identify sub-arc-second scale condensations, find point sources, and look for gasious disk and dust lanes. ... No problems were reported. ...

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• http://www.stsci.edu/ftp/observing/status_reports/old_reports_93/hst_status_03_12_93
• http://www.stsci.edu/~levay/color/illustrations.pdf
• Table of Contents

... The Galactic low-mass X-ray binary GS 2023+338 was discovered during the burst on May 22, 1989 with the Japanise satellite Ginga (aka Galaxy). The flux reached 17 crabs (this unit of flux measurement is an bright X-ray source, Crab Nebula) at 10-35 keV. ... No other radio telescope worldwide carried out multi-frequency measurements. ... Upon 14 days the radio flux fell below the detection level at the RATAN-600 in relation to the decrease of the X-ray flux. ...

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... ESO, the European Southern Observatory . ... Travel and Contacts . ... Survey Telescopes . ... Images . ... ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA) has captured this unusual view of the Helix Nebula (NGC 7293), a planetary nebula located 700 light-years away. ... While bringing to light a rich background of stars and galaxies, the telescope's infrared vision also reveals strands of cold nebular gas that are mostly obscured in visible images of the Helix. €а Credit: . ...

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• Detailed view of the Prawn Nebula from ESO's VST | ESO
• VISTAтАЩs look at the Helix Nebula | ESO Australia
• VISTAтАЩs look at the Helix Nebula | ESO Ireland

... The Helix Nebula from CFHT . ... One day our Sun may look like this. The Helix Nebula is the closest example of a planetary nebula created at the end of the life of a Sun-like star. ... The Horsehead Nebula is one of the most famous nebulae on the sky. It is visible as the black indentation to the red emission nebula seen just to the right of center of the above photograph. ... In the heart of the Rosette Nebula lies a bright open cluster of stars that lights up the nebula. ...

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... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• Orbiter observations point to "dry ice" snowfall on Mars | Astronomy.com
• A deeper look at Centaurus A | Astronomy.com
• Maximize a minimum filter | Astronomy.com

... mar05: filter bank installed but left in wide band mode. 05apr05: 10db amps placed in pixel 2a,2b path in front of the filter bank. 08apr05: 10db amps placed in front of filter bank for all alfa pixels. 12apr05: 6db attenuators placed before 10db amps. 25apr05: 10db amps are now only in the OH filter bath. ... This allowed the search of the data taken by P2030 (100Mhz bandwidth, cfr 1420Mhz, 64usec samples) between 01feb05 and 01may05 for signals of the aerostat radar. ...

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• a2186
• a2703,a2808 21apr14
• lowpass digital fitlers

Galileo image of Venus taken from 2.7 million km. ... Galileo, P-37222) . ... Central Latitude/Longitude (deg): N/A . ... Instrument: Solid State Imaging CCD Camera . ... Instrument Field of View (deg): .46 x .46 . ... Illumination Incidence Angle (deg): N/A . Phase Angle (deg): N/A . ... Surface Emission Angle (deg): N/A . ... NASA Image ID number: P-37222 . ... Code 633, NASA Goddard Space Flight Center . Greenbelt, MD 20771, USA . ... Code 630, NASA Goddard Space Flight Center . ...

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• New Moons of Uranus
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adapted from Observe: Eclipses, published in 1979 by the Astronomical League and "Safe Solar Filters," by B. Ralph Chou, Sky and Telescope, August 1981) . ... Tape TWO pieces of film together into a sandwich, and tape this over the opening in the cardboard. ... The cardboard frame will act as a shade from the bright Sun, while you safely observe through the film sandwich. ... Undeveloped film is not safe. ... tape . ... At the end of one of the tubes, tape the aluminum foil, and make a tiny pinhole. ...

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• ASP: Black Holes to Blackboards: Seeing the Light
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• ASP: Making a Rainbow

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

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• Astrophysical Research Consortium - Apache Point Observatory
• Apache Point Obs. filters
• IR All-Sky Camera

... We have measured this "redshift" for the pink black holes, and allowed for it in our calculations. ... We see this effect in the emission from gas around these pink black holes, but it is far too small an effect to account for the pinkness. Thus the swirling motions of gas around or into the black holes cannot produc the colour. ... At first we thought that these things were normal blue black holes hidden behind clouds of interstellar dust, that absorbed the blue light and made them appear pink. ...

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• C/2006 P1 (McNaught)
• Pink Black Holes – the Real Story

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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... The filter "Lighting Effects" is a freebie that came with this program, and in my opinion is practically worth the whole purchase price all by itself. ... You can select different light sources, and combine them with texture channels to warp your image. ... Depending on how you use it, pure white is the highest point on the image, and black the lowest. ... You can adjust the brightness and spread here, or choose other types of lighting. ... Use these if your image is turning out too dark or light. ...

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• APOD: September 25, 1996 - Bright Stars and Dark Clouds
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• APOD: 2007 September 11 - A Scorpius Sky Spectacular

... Meade Series 4000 Nebular Filters incorporate the very latest in interference coatings technology. ... Technical Basis of the Meade Broadband Nebular Filter: As shown in the transmission graph below, the Meade Broadband Nebular Filter strongly rejects the light of sodium- and mercury-vapor lights as well as natural airglow and auroral emissions. ... Meade Series 4000 Narrowband Nebular Filters . ... Meade Series 4000 Oxygen-III Nebular Filters . ... Meade Series 4000 Photo-Visual Color Filters . ...

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• Blocking Filters - Coronado€о Solar - Products
• Coronado 5mm Blocking Filter - Blocking Filters - Coronado€о Solar - Products

Astronomy Discussion Forums . Forums: . ... Observation Report 03/15/03 From Coyle Field . ... Post Message | ... Observation Report 03/15/03 from Coyle Field . ... It?s been a while since I could write a decent observation report. ... Coyle Field is a great sight. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Observation Report On Mars And ... - an Astronomy Net Observation_reports Forum
• Messier Marathon 2005 - an Astronomy Net Observation_reports Forum Message
• Total Lunar Eclipse May 15-16 - an Astronomy Net Observation_reports Forum

XMM­Newton CCF Release Note XMM­CCF­REL­120 OM Photometry Bing Chen July 5, 2002 1 CCF components Name of CCF VALDATE List of Blocks changed CAL VERSION XSCS flag OM COLORTRANS 0007 2000­01­01T00:00:00 COLORMAG No 2 Changes The zero­points and color­transformations for optical filters are set based on observations of several hundreds standard stars. ... We can see that the simulated UV color­transformation based on this new CCF can represent the observations. ...

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... One striking feature is a small source of almost pure H 2 line emission, which is located near one of the compact sources in Orion reported by O'Dell and collaborators (HST-18 = 203-504). ... H-H objects, Proplyds, Orion Bar, H 2 . ... We obtained a series of images across the bright rim of the Orion Bar near the peaks of mm-wave molecular line emission with NICMOS cameras 1-3 (NIC1, NIC2, NIC3) in several filters on 1998 February 18. ... The suggestion of an H-H object does not seem compelling. ...

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• NICMOS Observes the Galactic Center
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• HST NICMOS Observations of Circumstellar Matter Around CYG X-3

... Posts tagged ?X-ray? ... Posted by vlk . There is a lesson that statisticians, especially of the Bayesian persuasion, have been hammering into our skulls for ages: do not subtract background. ... 6 Comments . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...

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• The AstroStat Slog light curves
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• Champlane Observation: CTIO 4m/MosaicII June 22-23, 2009

... Dr. Detlef Koschny . ... 28 November 2001 . After an eventful trip to the other side of the world, ESA's intrepid scientists have returned with a treasure trove of data about the 2001 Leonid meteor shower. ... Koschny: We were rather nervous because the night of the predicted maximum was cloudy -- the first cloudy night we had in Australia -- but, fortunately, the clouds went away and we had three hours of beautiful Leonids. ... Leonids meteor page and navigate to "Leonids01" . ...

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• Objects in the Sky
• Black Holes
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... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System
• Phil Plait's Bad Astronomy: Misconceptions

Next: Reducing the observations Up: PEPSYS general photometry Previous: Influencing the plan . ... If the telescope and instrumentation are unfamiliar to you, you may have trouble keeping to the schedule for the first night or two, so try to work with a previous observer on the equipment for a night or two of training before your observing run. If you fall behind, try to keep as many low-altitude observations of extinction stars as you can, and drop some circumzenithal ones if necessary. ...

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• CCD photometry
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