... A New View of the Solar Corona . Dr Leon Golub . Thursday, Apr 11, 2013 at 8:00 PM . ... The technique of using short-wavelength multilayer coatings to allow mirrors to reflect EUV wavelengths at normal incidence has led to significant improvements in spatial and spectral resolution of astronomical telescopes. ... Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... PubliУ? le 04/10/2014 par Patrice Le guen . Date : 03/10/2014 . ... MatУ?riel de prise de vue : MEADE 16 pouces - barlow 2x - CamУ?ra i-nova PLA MX - Filtre Astronomik Sii 12nm . Commentaires : FileFormat=SER Camera=i-Nova PLA-Mx BeginRec=2014-10-03T23:07:39.111 EndRec=2014-10-03T23:10:26.255 ExpTime=122ms ImageDimensions={Width=640, Height=480} Resolution=FULL SavedFrames=1368 (buffered) ReadoutMode=16,NORMAL Gain=424 Origin=PlxCapture 2.2.3.51 SУ?lection de 300 images par REGISTAX ...

... Previous: Ground Tracking Station (GTS) Products . ... GRT Log File . ... GRT Gain Curves . ... What: Co-observing GRTs will each generate a log file identical to those for ground-based VLBI experiments. ... Where: Files are placed by GRTs on their regional server ( Regional Servers for GRT logs etc ) in the sub-directory named for the month and year (e.g. may97 ) below the sub-directory named gps . ... Where: Files are placed by GRTs on their regional server ( Regional Servers for GRT logs etc ). ...

. N orilsk N eutron M onitor . Cosmic rays variation . Atmospheric pressure . Year . Month . Day . Hour . Minute . From . To . Resolution . Type of Data . 1 year 1 month 27 days 1 day 12 hours 6 hours 1 hour 15 min 10 min 5 min 1 min . Corrected for Pressure Atmospheric Pressure Uncorrected for Pressure . Data are also available by FTP . All Data for all Station are available by FTP . Links . Irkutsk .

... 4 November 1994 . orbit . ... 0.0128 . ... orbit period . ... satellite mass . 1950 kg . scientific payload mass . 550 kg . ... For more information send a mail to: info@sputnik.infospace.ru . 1997-2002 SMIS IKI RAN and SRC "PLANETA" Moscow, Russia. ...

... Introduction On the features of taking planetary reflectance spectra Spectral-frequency method Study of the asteroid 21 Lutetia by the spectral-frequency method Color spots on the surface of the asteroid 4 Vesta Conclusions References 637 638 640 641 644 646 647 Abstract. ... As a development, joining the method of reflectance spectrophotometry with the frequency analysis of observational data series is proposed. ... The data convolutions were constructed for each the frequency found. ...

IMAGING PRODUCTS TM-1300 PROGRESSIVE SCAN HIGH RESOLUTION SHUTTER CAMERA Pr oduct Featur es · Very high resolution 2/3" progressive scanning interline transfer CCD imager 1300(H) x 1030(V) · 8/10-bit digital output for progressive scan (RS-422) · Real time, 12 frame/sec (20 MHz data clock) with SVGA display (47 frame/sec.) output · Full-frame shutter ....1/50 to 1/39,000 sec. ... Internal shutter speed mode. ... Digital output: 1-bit, 12 frame/sec. ... Memory mode: Digital output: 8-bit, 12 frame/sec. ...

June 1, 1998 . ... An example of the EUV chain revealed by the modified SOHO/EIT images. ... The chains on the 171 ( a) and 195 A (b) images are very similar, but there are some differences on the 284 A image (c) . ... A comparison of the large-scale chains and threads on the modified SOHO/EIT (195 A) image (inverted) and two He I (10830 A) images (normal). ... SOHO/EIT, 171 A, June 01-03, 1998 GIF Animation (670 KB) . SOHO/EIT, 195 A, June 01-03, 1998 GIF Animation (1.76 MB) . ...

The 2dF QSO Redshift Survey (2QZ) . ... Before jumping into all the finer details of teh survey, a brief non-astronomer's guide to redshift surveys is available. ... The primary scientific aims of the QSO survey are: (1) to obtain the primordial fluctuation power spectrum out to COBE scales, (2) to determine the rate of QSO clustering evolution in the non-linear and linear regimes and hence obtain new limits on the value of and the bias parameter, (3) to apply a powerful geometric method to measure . ...

... 2 Measurement of PMTs counting characteristics and selection of op erating p oint To select the operating point of the PMT, that is the optimal values of the high voltage supply and pulse discrimination threshold, the command run counting=hv value is provided in the program mass. ... Starting with the minimum voltage (say 550 V) run command run counting=550 for the measurement execution. ... It is recommended to take measurements for the set of values of 0.4, 0.6, 0.8, 1.0. ...

... Solar Space Experiments in LPI . ... The main goal of the TESIS is to provide complex observations of solar active phenomena from the transition region to the inner and outer solar corona with high spatial, spectral and temporal resolution in the EUV and Soft X-ray spectral bands. ... Solar EUV Coronagraph (SEC), based on the Ritchey-Chretien scheme, to observe the inner and outer solar corona from 0.2 to 4 solar radii in spectral band 290-320 A . ... 2 arc. sec./pix . ... Backside-CCD 2048*2048 pix...

The Galaxy Disk in Cosmological Context Proceedings IAU Symposium No. ... The presence of exponential bulges and anti-truncated disks has been noticed in many lenticular galaxies. ... Among our findings in unbarred spiral galaxies, only one galaxy, NGC 5533, has a LSB outer disk (Sil'chenko et al. ... In the frame of this model, the Exponential bulges and