Friday, October 4, 2019
New comet C/2019 H1 NEOWISE
CBET 4623 & MPEC 2019-J24, issued on 2020, May 4, announce the discovery of a new comet has been designated C/2019 H1 NEOWISE.
A. Valvasori,C. Caselli and P. Punzo, performed follow-up measurements of this object while it was still on the PCCP webpage.
Stacking of 25 unfiltered exposure, 50 seconds each, on 2019, April 27.2 from Osservatorio Felsina AAB, Montepastore L19 through a 0.4 m f/5 Reflector + CCD, show that this object is a comet with a diffuse come about 7.5" in diameter.
MPEC 2029-J24, assigns the following preliminary iperbolic orbital elements to comet C/2019 H1 NEOWISE: T 2019 Apr. 27.77830; e 0.9937586; Peri. 19.30784; q 1.8450497; Incl. 104.58564
Monday, July 1, 2019
The result of the Photometric observations of UAI campaign, was published in Minor Planet Bulletin 46-3.
The result of the UAI campaign was published in Minor Planet Bulletin 46-3. Photometric observations of four main-belt asteroids were made in order to acquire lightcurves for shape/spin axis models. The synodic period and lightcurve amplitude were found for: 224 Oceana: 9.404 ± 0.001 h, 0.10 mag; 359 Georgia: 5.5329 ± 0.0001 h, 0.14 mag.; 1453 Fennia: 4.4120 ± 0.0002 h, 0.14 mag; and 1717 Arlon: 5.1448 ± 0.0004 h, 0.10 mag. We also confirmed previous discoveries of a satellite for 1453 Fennia and 1717 Arlon.
MPC 46-3, pages 350-352
Thursday, May 23, 2019
New ComterC/2019 J3 ATLAS
MPEC 2019-K14, issued on 2019, May 23, announce the discovery of a new comet has been designated C/2019 J3 ATLAS.
A. Valvasori, performed follow-up measurements of this object while it was still on the PCCP webpage.
Stacking of 30 unfiltered exposure, 60 seconds each, obtained remotely on 2019, September 15.8, with iTlelescope from Siding Spring SSO, Q62, through a 0.431 m f/6.8 Reflector + CCD, show that this object is a comet with a diffuse come about 12" in diameter.
MPEC 2019-S62, assigns the following preliminary iperbolic orbital elements to comet P/2020 X1 ATLAS: T 2019 Aug. 1.11846; e 0.9059145; Peri. 15.87022; q 2.3726019; Incl. 130.85663
Saturday, May 4, 2019
C/2019 K1 ATLAS - 2019/05/22 UT18:11
MPEC 2019-J24, issued on 2019, May 4, announce the discovery of a new comet has been designated C/2019 K1 ATLAS.
A. Valvasori, C. Caselli and P. Punzo, performed follow-up measurements of this object while it was still on the PCCP webpage.
Stacking of 30 unfiltered exposure, 60 seconds each, obtained remotely on 2019, September 22.7 Osservatorio Felsina AAB, Montepastore L19 through a 0.4 m f/5 Reflector + CCD, show that this object is a comet with a diffuse come about 9" in diameter.
MPEC 2019-J24, assigns the following preliminary elliptic orbital elements to comet C/2019 K1 ATLAS: T 2019 Apr. 27.77830; e 0.9937586; Peri. 19.30784; q 1.8450497; Incl. 104.58564
Wednesday, January 23, 2019
New Comet C/2019 Q4 Borisov
MPEC 2019-Q62, issued on 2019, September 23, announce the discovery of a new comet has been designated C/2019 Q4 Borisov.
A. Valvasori, C. Caselli and P. Puzno, performed follow-up measurements of this object while it was still on the PCCP webpage.
Stacking of 40 unfiltered exposure, 60 seconds each, obtained remotely on 2019, September 21.1 from Osservatorio Felsina AAB, Montepastore L19 through a 0.4 m f/5 Reflector + CCD, show that this object is a comet with a diffuse come about 11" in diameter.
MPEC 2019-S62, assigns the following preliminary iperbolic orbital elements to comet P/2020 X1 ATLAS: T 2019 Dec. 8.40006; e 3.3835756; Peri. 208.98541; q 2.0126273; Incl. 43.99379
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