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Comet C/2020 H8  (PANSTARRS)

Photometric data obtained from FOCAS-II software

COD X02

OBS Telescope.Live Observatory

CATALOG: Gaia DR2 - BAND: G

                                   10x10  20x20  30x30  40x40  50x50  60x60   SNR   SB   COD

COMET         UTC                    +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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                                                                     AFRHO         LOG

COMET         UTC                   DELTA    r    BOX "   MAG   RSR    CM    +/-  AFRHO  OBS

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C/2020 J1     Orbital elements not found

FoCAs 3.66

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Af(rho) data according the CARA-approach is available via request to CARA-coordinator

http://cara.uai.it

COMET C/2020 H8 (PANSTARRS)

     R. Weryk, Institute for Astronomy, University of Hawaii, reports the discovery by R. Wainscoat of another apparent comet in images obtained with the Pan-STARRS2 1.8-m Ritchey-Chretien reflector at Haleakala (discovery observations tabulated below); there appeared to be a diffuse coma of diameter

2".5 in 2".1 seeing, with no visible tail, but the cometary appearance was borderline....

....      After the object was posted on the Minor Planet Center's PCCP webpage, other CCD astrometrists commented on the appearance.  H. Sato, Tokyo, Japan, writes that fourteen stacked 60-s exposures taken on May 4.5 UT remotely with a 0.43-m f/6.8 astrograph near Mayhill, NM, USA, show a stellar appearance; the magnitude was 19.4 as measured within a circular aperture of radius 5".7.

E. Bryssinck, Kruibeke, Belgium, reported that twenty-five stacked 120-s unfiltered exposures taken on May 14.9 with a 0.4-m f/3.8 reflector show a starlike object with strong condensation (he could not "really identify a

coma") and a hint of a tail of 14" long twoard p.a. 346 degrees; the magnitude was 20.5 in an aperture of radius 5".