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9P/TEMPEL (1867 G1 = 1873 G1 = 1967 L1 = 1972 A1)

Photometric data obtained by use of FOCAS-II software

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

OBJECT        DATE       TIME        +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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

9P            18/01/2016 04:36:44  17.29  17.02  17.02                        9.4  17.1  B96

9P            18/01/2016 04:36:44*  0.17   0.15   0.16                          5   3.7  USN

                                                                     AFRHO         LOG

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

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

9P            18/01/2016 04:36:44    1.73   2.35  15.95  17.14    9     22     2  1.342  B96

Comet 1867 G1 was discovered by E.W.L. Tempel (Marseille, France) on April 3.90 and discribed it as faint, diffuse comet het noted “ The comet had an apparent diameter of 4’-5’ and was in the middle, where several little stars were seen pulsating, only a little condensed”

Recovering in 1873: Predictions were made for the 1879 return, with the most ambitious being that of Raoul Gautier who computed definitive orbits for the previous two appearances before making his prediction for the upcoming return. This prediction enabled Tempel to recover his comet on April 25. Conditions for this apparition were nearly identical to those of 1873, but a full moon early in April 1879 caused the later recovery. The comet was last detected on July 8. (Bron: Kronk’s webpage)