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Quasar, PMN J1451-1512, Mag 19.14, Redshift (z): 4.76, Light Time: 13.0 Gyr. - Printable Version +- Skyhound Forums (https://skyhound.com/forums) +-- Forum: Imaging & Astrophotography (https://skyhound.com/forums/forumdisplay.php?fid=24) +--- Forum: Deep Sky Astrophotography (https://skyhound.com/forums/forumdisplay.php?fid=16) +--- Thread: Quasar, PMN J1451-1512, Mag 19.14, Redshift (z): 4.76, Light Time: 13.0 Gyr. (/showthread.php?tid=2876) |
Quasar, PMN J1451-1512, Mag 19.14, Redshift (z): 4.76, Light Time: 13.0 Gyr. - Dennis - 2023-06-16 I used the Database Power Search in SkyTools 4 Imaging to generate a list of Quasars with a Redshift (z) greater than 4.5, and one of the targets returned was the QSO PMN J1451-1512 in Libra. This is an image of that Quasar, PMN J1451-1512, Mag 19.14, Redshift (z): 4.76, Light Time: 13.0 Gyr (22 x 240 sec exposures) taken with my Tak Mewlon 210 F11.5 and QHY268M from my suburban skies in Brisbane (Bortle 6 to 7). PMN J1451-1512 Quasar R.A. 14h51m47.1s Dec.: -15°12'20" (2000) in Libra Magnitude: 19.10 R Redshift (z): 4.76 Light Time: 13.0 Gyr Apparent Data for 2023 Jun 15 GMT+10: Apparent RA: 14h53m05.4s, Apparent Dec: -15°18'10" Takahashi Mewlon 210 F11.5 QHY 268 M Pro Bin 2x2 Thurs 15th June 2023 10:02pm to 11:41pm AEST 2023-06-15:T12:02 to 13:41 UT 22 x 240 sec exposures I understand that the parameter 13Giga Years is a measurement of how long it has taken for the light from the distant Quasar to reach the Earth. I also understand that the current estimate for the age of the Universe is in the range of 13.7 to 13.80 billion years. I have attached a professional observatory image (colour) from Aladin Lite (PanSTARRS), marking the location of the Quasar with a red cross. Cheers Dennis RE: Quasar, PMN J1451-1512, Mag 19.14, Redshift (z): 4.76, Light Time: 13.0 Gyr. - theskyhound - 2023-06-18 That is so cool! Thanks for sharing this. RE: Quasar, PMN J1451-1512, Mag 19.14, Redshift (z): 4.76, Light Time: 13.0 Gyr. - PMSchu - 2023-06-18 Hi Dennis, You captured that quasar very well. Nice job. Phil S. RE: Quasar, PMN J1451-1512, Mag 19.14, Redshift (z): 4.76, Light Time: 13.0 Gyr. - Dennis - 2023-06-20 Thanks Greg and Phil, I took that approach that if Greg can list it and plot it, I figure I can take an image of it. ![]() Cheers Dennis |