Gideon van Buitenen

@giddgvb

Amateur musician & astronomer; IT-professional

Dordrecht, NL
Vrijeme pridruživanja: rujan 2010.

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  1. 3. velj

    After imaging C/2020 A2 (Iwamoto) on Feb 1st via iTelescope T21, I found the to be too large and too close to a star for measurements, so I took some additional images via T05 about 10 minutes later. See also

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  2. 29. sij

    typo: m2=16.4R (Astrometrica)

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  3. 29. sij

    C/2019 K1 (ATLAS) as imaged earlier today via iTelescope T31. The will reach perihelion on February 12. See also

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  4. 29. sij

    New, faint asteroidal object on a cometary orbit discovered by Pan-STARRS 1 and confirmed today by the 3.6-m Canada-France-Hawaii Telescope at Mauna Kea: A/2020 B1 See MPEC 2020-B261 and

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    28. sij

    Comet C/2019 Y1 (ATLAS) has brightened to 12th magnitude according to total magnitude reports from Steffen Fritsche, Carl Hergenrother, and Alan Hale over the past 2 weeks.

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    27. sij

    Let's just stress this again - "We are working with leading astronomers", says Elon, but they deployed 1 (!) dark-coated satellite in the previous batch, and 0 (!) in this batch. What a bunch of bullshit!

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    20. sij

    “Safeguarding the Astronomical Sky” This appeal/petition can be signed by professional Astrophysicists & Astronomers, Technologists/Engineers , Collaborators & PHD Students involved in professional astronomical observations

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    15. sij

    So, after the in New York also the in Amsterdam included the black hole image of M87* into their photo collection. The Rijksmuseum is one of the top museums in the world and we are happy they include an image of science.

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    21. sij
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  10. 21. sij

    New, distant confirmed: C/2020 A3 (ATLAS) Perihelion was in June 2019 at ~5.8 AU from the sun. See MPEC 2020-B60 and

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  11. 20. sij

    C/2017 T2 (PANSTARRS) as imaged last night at 22:41 UT from my light-polluted hometown. 1088mm@F/5.4; 20x180s; Nikon D5300

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  12. 16. sij

    C/2019 Y1 (ATLAS) as imaged yesterday via iTelescope T11. The will reach perihelion in March. See

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    The FCC's approval of SpaceX's Starlink mega constellation may have been unlawful (By )

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  14. 15. sij

    New comet confirmed: C/2020 A2 (Iwamoto) Discovered on Jan 8, the was briefly lost but then recovered by G. Borisov on Jan 10 It is on a retrograde orbit and has been found at perihelion, while emerging from behind te sun. See MPEC 2020-A132 and

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    14. sij

    PCCP comet IF033 from I52 about 30 minutes ago.

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  16. 13. sij

    New, faint Jupiter-family confirmed: P/2019 X2 (PANSTARRS). See MPEC 2020-A121 and

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  17. 13. sij

    Two new objects confirmed on a cometary orbit: A/2019 Y5 and A/2020 A1 See MPECs 2020-A119 & -A120 and &

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    10. sij

    New comet C/2019 Y4 (ATLAS) has orbital elements very similar to those for C/1844 Y1 (Great Comet). The suggestion was initially made by M. Meyer when the 2019-2020 arc was ~three days.

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  19. 10. sij

    Correction: MPEC is of course 2020-A109, not 2019.

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  20. 10. sij

    New confirmed: C/2019 Y4 (ATLAS) noted that its orbit is very similar to that of great comet C/1844 Y1. It may be a smaller fragment of the some original body. Perihelion is in May 2020 at low elongation. See MPEC 2020-A111 and

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