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Comets & Asteroids - Summary for March & April 2019

30 Apr 2019, 10:47 UTC
Comets & Asteroids - Summary for March & April 2019
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During the 2-month period March through April 2019, 6 new comets were discovered and there were 3 comet recoveries. "Current comet magnitudes" & "Daily updated asteroid flybys" pages are available at the top of this blog (or just click on the underline text here). See below for the "Other news" section.The dates below refer to the date of issuance of CBET (Central Bureau Electronic Telegram) which reported the official news & designations.- Comet DiscoveriesMar 21 Discovery of C/2019 D1 (FLEWELLING) (CBET 4614)Mar 21 Discovery of C/2019 E3 (ATLAS) (CBET 4615)Apr 10 Discovery of P/2019 G1 = P/2011 O2 (PANSTARRS) (CBET 4618)* Apr 10 Discovery of C/2019 F1 (ATLAS-AFRICANO) (CBET 4619) Apr 22 Discovery of C/2019 F2 (ATLAS) (CBET 4620) Apr 23 Discovery of P/2019 GG_21 (PANSTARRS) (CBET 4621)** * G. V. Williams, Minor Planet Center, then identified additional pre-discovery (apparently stellar) observations obtained at Kitt Peak by T. H. Bressi with the 1.8-m Spacewatch II on 2009 Feb. 26 and at the XuYi Station of Purple Mountain Observatory with a 1.04-m Schmidt telescope on 2009 Mar. 25.** Initially designated as minor planet 2019 GG21, there was one prior report of cometary activity in this object. R. Weryk and R. Wainscoat ...

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