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Comet C/2025 D1 (Groeller) - 1 april 2025

Af(rho) data according the CARA-approach is available via request to CARA-coordinator


http://cara.uai.it

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


       |C/2025 D1  |        | CCD|B96 |2025-04-01T20:55:50Z   |136.85293  |+41.12863  |0.18 |0.26  |   Gaia2|20.1 |0.21  |   R|   Gaia2| 5.6  |0.70  |3.3   | 960|0.25  |   313|K    |

       |C/2025 D1  |        | CCD|B96 |2025-04-01T21:13:30Z   |136.85208  |+41.12844  |0.55 |0.59  |   Gaia2|20.5 |0.42  |   R|   Gaia2| 5.6  |0.33  |3.1   | 840|0.27  |   319|K    |


Af(rho) parameter according CARA-approach

Af(rho vs. core distance - data obtained from R-filtered CCD-image

ICQ-format - photometry: