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Comet 415P/TENAGRA  - (= P/2013 EW90 (Tenagra) )

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

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

415P          06/03/2021 22:20:33  18.98  18.95  18.50                        6.1  18.1  B96

415P          06/03/2021 22:20:33*  0.11   0.01   0.54                          2   4.0  Gai

                                                                     AFRHO         LOG

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

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

415P          06/03/2021 22:20:33    2.37   3.32  11.61  18.99    6     15     2  1.180  B96

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

Discovery: ( CBET 3522 )

Michael Schwartz and Paulo Holvorcem discovered an asteroid like object of 19th magnitude on 2013 March 3.19 at the Tenagra II Observatory in Arizona. Later observations then showed cometary features. [MPEC 2013-J52, 2013 May 13]  Perihelion was at 3.3 au in 2012 October. It has a period of around 8 years.

Recovery: CBET 4918

E. Schwab, Egelsbach, Germany, recovered  comet P/2013 EW_90  on CCD images taken remotely on jan 13 & 14 , by himself with the 0.8-m f/3 Schmidt reflector at Calar Alto, Spain (in a collaboration with D. Koschny, M. Micheli, and E. Petrescu); the comet appears as a stellar object.