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Comet 161P/HARTLEY-IRAS - 29 oct. 2026

Observations of comet 161P/Hartley-IRAS on 2026 oct. 29 from my backyard observatory with 0.4-m f/3.8 telescope (corrected reflector),  SBIG STL6303-E CCD-camera,  exposures with Bessel-R-filter,    - Moonphase: 0.82 and comet @ distance of 114°  - measured R-magn: 15.3

BRIXIIS Observatory MPC B96

Af(rho) data according CARA project

Af(rho) data obtained from unfiltered ccd-image

Astrometric data for Minor Planet Center (ADES format)

permID |provID     |trkSub  |mode|stn |obsTime                |ra         |dec        |rmsRA|rmsDec|astCat  |mag  |rmsMag|band|photCat |photAp|logSNR|seeing|exp |rmsFit|nStars|notes|remarks

   161P|           |        | CCD|B96 |2026-10-29T17:46:38Z   |300.31752  |+13.07024  |0.32 |0.37  |   UCAC4|15.7 |0.07  |   R|   R|   UCAC4| 5.6  |1.46  |3.2   |  90|0.46  |  2281|     |

   161P|           |        | CCD|B96 |2026-10-29T18:03:20Z   |300.30889  |+13.07374  |0.31 |0.35  |   UCAC4|14.6 |0.07  |   R|   R|   UCAC4| 5.6  |1.52  |3.3   |  90|0.44  |  1585|     |

   161P|           |        | CCD|B96 |2026-10-29T18:21:52Z   |300.29869  |+13.07783  |0.31 |0.36  |   UCAC4|15.5 |0.07  |   R|   R|   UCAC4| 5.6  |1.60  |3.3   |  90|0.45  |  2237|     |

ICQ-format:

161P (Hartley-IRAS)

ICQ line:

IIIYYYYMnL YYYY MM DD.DD eM/mm.m:r AAA.ATF/xxxx /dd.ddnDC /t.ttmANG ICQ XX*OBSxxf InT APERTURcamchip SFW C ## u.uu xx.x PIXELSIZE

161        2026 10 29.75  k 13.8 AR 40.0L 4A800   0.46              ICQ XX BRY04I     C 0.46mST0 K6F TYT 5 U9*0.03 13.9  1.2s 1.2 Location: Brixiis Observatory, Kruibeke (MPC B96); Comment: Comet Alt. 50.6