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Observation date

image

Photometry

(FOCAS)

Afρ

astrometry

Observatory

20180620

X

X


X

Q62 - Siding Spring

20180718

X

X


X

B96 - BRIXIIS





















































































Comet P/2018 L4 (PANSTARRS)

Photometric data obtained from FOCAS-II software





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

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

------------  -------------------  -----  -----  -----  -----  -----  -----  ----  ----  ---



                                                                     AFRHO         LOG

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

------------  -------------------   -----  -----  -----  -----  ---  -----  ----  -----  ---



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


http://cara.uai.it

Discovery:


R. Weryk reported that this object was a possible comet in images on May 10.  The object had a FWHM of 1".2, compared to the 0".7 FWHM of nearby stars, and there was a 6" tail in P.A. ~ 200.  Q. Ye reported that images on June 18.3 UTC showed a ~10" tail pointing to the SSW.  E. Bryssinck (Kruibeke, Belgium) reported a diffuse appearance with a central condensation and an elongated coma 11"x18" in the N-S direction, in images taken around June 20.95 UT.  J. V. Scotti reported a 6" coma and a 0'.2 tail in P.A. 169.  Later on 22 june 2018, this object was assigned as P/2018 L4 (PANSTARRS) with CBET 4527: 20180622 : COMET P/2018 L4 (PANSTARRS) issued on 22 june 2018.


MPEC 2018-M83 : COMET P/2018 L4 (PANSTARRS)