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Comet C/2020 N2  (ATLAS)

Photometric data obtained from FOCAS-II software

COD B96

OBS BRIXIIS 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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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 N2 (ATLAS)

     An apparently asteroidal object discovered on CCD images taken on July 13 with a 0.5-m f/2 Schmidt reflector at Mauna Loa, Hawaii, in the course of the "Asteroid Terrestrial-Impact Last Alert System" (ATLAS) search program has been found to show cometary appearance by CCD astrometrists elsewhere after it was posted on the Minor Planet Center's PCCP webpage.  

Twenty-four stacked 20-s exposures taken by H. Sato, Tokyo, Japan, remotely with a 0.51-m f/6.8 astrograph at Siding Spring, NSW, on July 15.7 UT show only stellar appearance; the magnitude was 18.4 as measured within a circular aperture of radius 4".9.  Images taken by P. Camilleri, J. Oey, and R. Groom with the Perth Observatory 0.34-m f/5 reflector on July 19.87 show a diffuse 5" coma with condensation and of mag 18.2.  E. Guido, Castellammare di Stabia, Italy, wrotes that fifteen stacked 20-s unfiltered exposures taken by E. Guido in collaboration with M. Rocchetto, E. Bryssinck, M. Fulle, G. Milani, C. Nassef, G. Savini, A. Valvasori on July 20.36 remotely with a "Telescope Live" 0.6-m f/6.5 astrograph at El Sauce, Chile, show a compact coma about 10" in diameter and mag 17.7......