... Historical Background VizieR was first presented at the AAS meeting in early 1996 (Ochsenbein et al. 1995), as the result of a joint e#ort between CDS 2 and ESA­ESRIN 3 (the European Space Agency's Information Systems division) in order to provide the astronomical community with a dedicated tool for retrieving astronomical data listed in published catalogs and tables --- a follow­up of the ESIS (European Space Information System) project. ... Locate the interesting catalogs in the VizieR Service 5 ....

STAR FIELDS Newsletter of the Amateur Telescope Makers of Boston Including the Bond Astronomical Club Established in 1934 In the Interest of Telescope Making & Using Vol. ... 3 March 2007 CBAT also maintains a Recent Comet Magnitudes Page which serves as a link between the work of amateur astronomers and the professional astronomical community. ... A successful clubhouse workshop was conducted by John Maher for the Meade DSI camera started at 4 p.m. and lasted until 2 a.m. For the Mar. ... Mar. ...

... ACQMODE Acquisition mode AIRMASS Air mass for current object observation BIASSEC OVERSCAN AREA BITPIX Number of bits per data pixel BSCALE Default scaling factor: REAL = TAPE*BSCALE + BZERO BZERO Offset data range to that of unsigned short CALIB Calibration CCD-TEMP CCD temperature at start of exposure in C COMMENT Comment text DATATYPE Data type DATE File creation date (YYYY-MM-DDThh:mm:ss UTC) DATE-OBS YYYY-MM-DD observation start date, UT DEC OBJECT DEC, deg:arcmin ...

MAJOR MAGNETIC STORMS 1932-1997 ACCORDING TO THE Ap* CRITERIA To view a plot of the number of magnetic storms v.s. sunspots, go to ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/APSTAR/magstorm.gif A simpler global index of magnetic activity (other than Kp or Km) is produced in France from the K indices of two nearly antipodal magnetic observatories in England and Australia. ... An AA* index has been derived that is the counterpart of Ap* but is available for the longer span of years. ...