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Observations of comet Hale-Bopp in spring of 1996 and 1997.
With a new developed CCD system attached to the one meter telescope ofYunnan Observatory the authors began to study comet Hale-Bopp. A TKB1024 CCD chip with a pixel size of 24 microns is used in this newsystem. While being attached to the Cassegrain focus of the one metertelescope, it produces a field of view about 6'5 by 6'5 with aresolution of 0?385 per pixel. At6h25m30s of 28 February 1996 in Beijingtime, the authors got the first successfuly CCD image. The cometary comais very clear with an entire structure of axial symmetry. Totally, onthe 6 dates of Feb 28, Feb 29, Mar 4, Mar 5, Mar 17 and Mar 18, theauthors got 56 CCD images for the comet. It includes pictures withstandard V, B, R or I filters, and more number of non-filtered pictures.
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Observation and Astrometry data
| Constellation: | Sagittarius |
| Right ascension: | 19h30m19.63s |
| Declination: | -20°50'03.7" |
| Apparent magnitude: | 8.445 |
| Distance: | 214.592 parsecs |
| Proper motion RA: | 16.7 |
| Proper motion Dec: | -2.6 |
| B-T magnitude: | 8.618 |
| V-T magnitude: | 8.46 |
Catalogs and designations:
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