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Comet C/2020 T2 (PALOMAR) -  20 july 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 2021.07.22 12:00:03

NET Gaia DR2

    CK20T020  C2021 07 20.87419 14 11 52.43 +01 00 38.0          13.6 R      B96

    CK20T020  C2021 07 20.88192 14 11 53.00 +01 00 26.0          13.6 R      B96

    CK20T020  C2021 07 20.89093 14 11 53.65 +01 00 11.5          13.6 R      B96

----- end -----

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 T2     20/07/2021 21:10:34  13.68  12.91  12.49  12.21  12.03  11.89  23.9  15.8  B96

C/2020 T2     20/07/2021 21:10:34*  0.01   0.01   0.02   0.02   0.02   0.03     3   3.6  Gai

                                                                     AFRHO         LOG

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

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

C/2020 T2     20/07/2021 21:10:34    1.75   2.06  15.76  13.18   24    666    28  2.823  B96

FoCAs 3.66

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Afρ parameter according CARA-approach

Afρ-parameter obtained from R-filtered ccd-images

Photometric data obtained by KOPR software (by Jakub ČERNÝ)

ICQ Code:

   2020T2  2021 07 20.90  k 12.5 AQ 40.0L 3A080   2.5               ICQ XX BRY04I     C 2.48mST0 K6F KPR 5 U1*0.03       1.2s 1.2 ;Comet Alt.:22.0 Calculated mags:12.5,12.6,12.5,12.5,12.5,12.5,12.5,12.5,12.6

CometObs format:

C/2020 T2 (Palomar):

2021  Jul.  20.90  UT: m1=12.5 CCD-R, Dia.=2.5', 40.0-cm Newtonian reflector .

[Comet Alt.:22.0 Calculated mags:12.5,12.6,12.5,12.5,12.5,12.5,12.5,12.5,12.6

] (Erik Bryssinck, BRIXIIS)

Afrho output:

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 4721, 322.1, 3.9

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 7868, 358.9, 4.3

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 11016, 367.7, 4.4

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 14164, 368.2, 4.4

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 17311, 364.5, 4.4

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 20459, 359.3, 4.3

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 23606, 352.6, 4.2

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 26754, 345.1, 4.1

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 29902, 336.8, 4.0

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 33049, 328.5, 3.9

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 36197, 319.0, 3.8

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 39344, 309.3, 3.7

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 42492, 299.1, 3.6

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 45640, 288.9, 3.5

C/2020 T2, 2459416.38958, 2.058, 1.75, 29.56, R, 48787, 278.3, 3.3