I started preparing this yesterday so if any have already been superseded then I apologise.
All credited to Cmdr Zenith Ddraiglas
HEAVIEST M-TYPE STAR
KY CYGNI WITH 25 SOLAR MASSES
YOUNGEST B-TYPE STAR
HD 227586 AT 1 MILLION YEARS
SYSTEM WITH THE MOST T-TYPE STARS
HD 227733 WITH 3 T-TYPE STARS
SYSTEM WITH THE MOST L-TYPE STARS
HD 227733 WITH 4 L-TYPE STARS
HOTTEST T-TYPE
HD 227733 6 WITH A SURFACE TEMPERATURE OF 1254K
YOUNGEST T-TYPE
HD 227733 6 WITH 374 MILLION YEARS
OLDEST T-TAURI STAR
NGC 6871 24 A 1 AT 84 MILLION YEARS
EARTH-LIKE WITH HIGHEST SURFACE PRESSURE
NGC 6871 Sector TJ-Q d5-20 B 6 WITH 1.08 ATMOSPHERES
HOTTEST GAS GIANT WITH WATER-BASED LIFE
TYC 2683-3935-1 1 WITH 309K
HOTTEST RINGED STELLAR BODY - Cancelled, Bromshweiger immediately above me beat it by 8k.
Finally I'm particularly proud of this find because it blows all previous ring records out of the water!
it is so wide, I had to take an image at the outside edge targeted on the central star using my canopy struts as guides. I did the same at the inner edge after heading to the star in a straight line.
I took Speed of Light to be 299792 km/sec.
SINGLE RING WITH THE LARGEST OUTER RADIUS
HD 227733 9 WITH AN OUTER RADIUS OF 171 LS (51,264,432KM)
WIDEST SINGLE RING
HD 227733 9 AT 103 LS (30,878,576KM)