174/P Echeclus - 2017/12/15

174/P Echeclus in outburst - 2017/12/10

On December 08, 2017 B. Skiff reported on mpml mailing list, that the centaur 174P/Echeclus  (also known as 60558 Echeclus) "seems to be at least 4 mag brighter than expected, and indeed as it appeared at the start of last night's images.  The Dec 7 series shows the outburst in progress on images taken near 2:00 and 2:48 UT; it is much brighter now (Dec 8 about 3:30 UT)". Last observations before this outburst had this object at around magnitude 18.

C/2016 R2 PanSTARRS - 2017/11/28

Comet C/2015 ER61 PanSTARRS - 2017/11/24

PNV J05580574-0011155 in Orion - 2017/11/22

62/P Tsuchinshan - 2017/10/28

SN 2017hle in NGC383 - 2017/10/23

C/2015 ER61 PanSTARRS - 2017/10/23

C/2017 O1 ASASSN1 - 2017/10/15

Possible new comet PCCP A104vfj - 2017/10/21

29/P Schwassmann-Wachmann - 2017/10/15

C/2017 O1 ASASSN1 - 2017/10/18

New comet C/2017 T1 Heinze (PCCP A104nX1) - 2017/10/08

MPEC 2017-U15, issued on 2017, October 16, announce the discovery of a new comet has been designated C/20217 T1 HeinzeE.

A. Valvasori, performed follow-up measurements of this object while it was still on the PCCP webpage.

MPEC 2017-U15 : COMET C/2017 T1 (Heinze)

M52 NGC7635 Sh2-157 - 2017/08/23

New comet C/2017 S3 PanSTARRS

New comet C/2017 S3 (PANSTARRS) was discovered 2017-Aug-17 at magnitude 21.8 by the Pan-STARRS survey.

MPEC 2017-S160: COMET C/2017 S3 (PANSTARRS)

The object's retrograde orbit is inclined 99 degrees from the ecliptic with the object currently at 4.9 AU from the sun.

The new comet is expected to pass perihelion in mid-August 2018 at only 0.2 AU from the sun. The ephemeris by the Minor Planet Center predicts a magnitude of 4.1 at perihelion but at very low solar elongation.

IC1805 Heart Nebula - 2017/08/25

Conjunction of C/2017 O1 ASASSN1 and C/2015 ER61 PanSTARRS - 2017/09/19

PNV J20205397+2508145 in Vul - 2017/09/17

29/P Schwassmann-Wachmann - 2017/09/16

Asteroid 3122 Florence - 2017/09/03

Nota storica: 3122 Florence è stato scoperto il 2 marzo 1981 da Schelte John Bus, dall'osservatorio di Siding Spring, sito vicino Coonabarabran, nel Nuovo Galles del Sud, in Australia, come un oggetto di magnitudine 17,5.[5] Furono in seguito trovate immagini di prescoperta acquisite il 9 marzo del 1979.

L'asteroide fu così nominato in onore di Florence Nightingale, un'infermiera britannica considerata la fondatrice dell'assistenza infermieristica moderna.

C/2017 O1 ASSASN1 - 2017/09/01

C/2017 O1 ASSAN1 - 2017/08/18

29/P Schwassmann-Wachmann - 2017/08/31

M31 Andromeda Galaxy and M32, M110 - 2017/08/23

PNV J00403063+4138525 in M110 - 2017/08/22

C/2015 ER61 PanSTARRS near M45 - 2017/08/17

AT2017gay in M31 - 2017/08/15

AT2017gav - 2017/08/14

Comet C/2017 O1 ASAS-SN - 2017/08/03

SN2017 fof in UGC10602 - 2017/07/29

Cometary activity of 2008 GO98 - 2017/07/05

http://www.minorplanetcenter.net/mpec/K17/K17N50.html

New comet C/2017 M4 ATLAS - 2017/06/23