Possible supernova AT2018csy
designationhosttyperadecdiscovereddiscoverer(s)max datemax magnlast obsmagn
AT2018csyGH 8-10?05:11:11.05-64:01:05.719 Jun 2018Gaia19 Jun 201817.919 Jun 201817.9

Alternative reference(s): Gaia18bou

The following all-sky chart shows the position of the transient.





The below chart shows the position of the transient in a field of view optimized for (~10x50) binoculars and finderscopes. (North up)



The below chart shows the position of the transient in an telescopic 2.0 x 1.4 degree field of view. (South up)



    Terminology:
            
    magn:     magnitude (brightness) estimate    
    max magn: peak brightness of the transient
    ra:       right ascension in hours (24h = 360deg)
    dec:      declination in degrees
    

Active supernova data as provided by ASRAS (Astronomy Section Rochester Academy of Science)
Galactic nova data as provided by Project Pluto
UCAC4 star catalog and NGC2000 dso catalog via VizieR as provided by the Strasbourg astronomical Data Center.
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.