C/2018 U1 (Lemmon)


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C/2018 U1  (Lemmon)  by Bernhard Haeusler, Germany

2020-05-24 by Bernhard Haeusler, Dettelbach, Germany                                                      

composed 37 44sec. exposures, 2020-05-24 UT00:27, 0.30-m f/6.15 SCT +  CCD
17.17 mag, coma: 4", tail: 10' in PA40  


Astrometry

   to show the best details, all images are stacked in the PSF !!!!

MPC observations: computed with Astrometrica (Herbert Raab, Austria) - ADES PSV Format:

# version=2017
# observatory
! mpcCode K87
! name Dettelbach Vineyard Observatory
# submitter
! name B. Haeusler
# observers
! name B. Haeusler
# measurers
! name B. Haeusler
# telescope
! design 0.30-m Schmidt-Cassegrain + CCD
! aperture 0.3
! fRatio 5.7
! detector CCD
# software
! astrometry Astrometrica 4.12.0.448
! photometry Astrometrica 4.12.0.448
permID |provID |trkSub |mode|stn |obsTime |ra |dec |rmsRA|rmsDec|astCat |mag |rmsMag|band|photCat |photAp|logSNR|seeing|exp |rmsFit|nStars|notes|remarks
|C/2018 U1 | | CCD|K87 |2020-05-24T00:31:16Z |283.40085 |+34.35996 |0.15 |0.14 | Gaia2|18.2 |0.09 | G| Gaia2| 5.6 |1.57 |4.1 | 440|0.20 | 1627|K |
|C/2018 U1 | | CCD|K87 |2020-05-24T00:42:17Z |283.39930 |+34.36021 |0.16 |0.14 | Gaia2|17.6 |0.09 | G| Gaia2| 5.6 |1.64 |3.8 | 484|0.20 | 1919|K |
|C/2018 U1 | | CCD|K87 |2020-05-24T00:53:18Z |283.39779 |+34.36028 |0.16 |0.14 | Gaia2|17.6 |0.09 | G| Gaia2| 5.6 |1.62 |4.0 | 440|0.21 | 1812|K |

 


Photometry computed with FoCAs 3.66 of Julio Castellano Roig, Spain using the Multibox method: (published on Cometas_Obs)

COD K87
OBS B.Haeusler
MEA B. Haeusler
ACK K87_2020_05_24-1

NET Gaia DR2

CK18U010 C2020 05 24.01973 18 53 36.30 +34 21 36.2 17.2 N K87
CK18U010 C2020 05 24.02426 18 53 36.06 +34 21 36.1 17.1 N K87
CK18U010 C2020 05 24.02880 18 53 35.83 +34 21 37.0 17.3 N K87
CK18U010 C2020 05 24.03332 18 53 35.65 +34 21 36.6 17.1 N K87

COD K87
OBS B.Haeusler
CATALOG: Gaia DR2 - BAND: G

10x10 20x20 30x30 40x40 50x50 60x60 SNR SB COD
COMET UTC +/- +/- +/- +/- +/- +/- N FWHM CAT
------------ ------------------- ----- ----- ----- ----- ----- ----- ---- ---- ---
C/2018 U1 24/05/2020 00:38:12 17.17 16.88 16.97 7.7 20.1 K87
C/2018 U1 24/05/2020 00:38:12* 0.07 0.10 0.10 4 4.3 Gai

AFRHO LOG
COMET UTC DELTA r BOX " MAG RSR CM +/- AFRHO OBS
------------ ------------------- ----- ----- ----- ----- --- ----- ---- ----- ---
C/2018 U1 24/05/2020 00:38:12 5.93 6.38 4.65 17.29 8 1672 217 3.223 K87

FoCAs 3.66
www.astrosurf.com/cometas-obs
es.groups.yahoo.com/group/Cometas_Obs

 


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Copyright: The author of NEO Planner and all sites of this web is Bernhard Haeusler, Dettelbach, Germany, all rights reserved