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29P/Schwassmann-Wachmann - 22 april 2026

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

    29P|           |        | CCD|B96 |2026-04-22T21:11:34Z   |165.29748  | -1.32177  |0.29 |0.45  |  ATLAS2|15.2 |0.07  |  Gr|   R|  ATLAS2| 5.6  |1.68  |3.5   | 120|0.53  |   288|     |

    29P|           |        | CCD|B96 |2026-04-22T21:23:20Z   |165.29660  | -1.32087  |0.36 |0.46  |  ATLAS2|15.3 |0.08  |  Gr|   R|  ATLAS2| 5.6  |1.56  |3.5   | 120|0.54  |   257|     |

    29P|           |        | CCD|B96 |2026-04-22T21:37:27Z   |165.29623  | -1.32037  |0.33 |0.44  |  ATLAS2|15.2 |0.08  |  Gr|   R|  ATLAS2| 5.6  |1.53  |3.5   | 120|0.52  |   271|     |

Af(rho) data obtained from filtered images (CARA Approuch) are available,

please send a request to the CARA-coordinator if you are interested in these data

Follow-up observation  of comet 29P,  image with my 0.4-m f/3.8 corrected newton telescope and use of a Bessel-R photometric filter

Afρ data according CARA approach

Afρ plot (Afp vs. distance comet-core)

ICQ-format - photometry:

29P (Schwassmann-Wachmann 1)

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

 29        2026 04 22.89  k 11.8 AR 40.0L 4A440   2.3               ICQ XX BRY04I     C 2.28mST0 K6F TYT 5 U9*0.02 12.1  1.2s 1.2

Blue line: Af(rho) [cm] vs coma diamter [km]

Red line magnitude vs comadiameter [km]