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Comet C/2020 S3  (ERASMUS) -  4 oct 2021

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

http://cara.uai.it

Astrometric data for minor planet center

COD B96

CON E. Bryssinck, BRIXIIS Observatory, 9150 Kruibeke , Belgium

OBS E. Bryssinck

MEA E. Bryssinck

TEL 0.4-m f/3.8 reflector + CCD

ACK MPCReport file updated 2021.10.05 17:22:27

NET Gaia DR2

    CK20S030  C2021 10 04.80176 23 20 24.73 +14 49 13.2          18.8 G      B96

    CK20S030  C2021 10 04.80667 23 20 24.53 +14 49 12.0          18.8 G      B96

    CK20S030  C2021 10 04.81156 23 20 24.13 +14 49 11.3          18.5 G      B96

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

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

C/2020 S3     04/10/2021 19:21:35  18.25  17.62  17.20  17.21  17.29          3.8  17.6  B96

C/2020 S3     04/10/2021 19:21:35*  0.21   0.15   0.02   0.35   0.72            3   3.6  Gai

                                                                     AFRHO         LOG

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

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

C/2020 S3     04/10/2021 19:21:35    3.57   4.51   7.72  18.31    4    119    31  2.074  B96

Af(rho) data according CARA-approach

Af(rho) (cm) vs. core distance (km) - data from unfiltered CCD-image