Observations of Proxima Centauri UTC 2020-04-23 University of Southern Queensland Mount Kent Observatory University of Louisville CDK700S SITELAT = -27.797861 -> -27:47:52.300 SITELONG = 151.855417 -> 151:51:19.501 (+ to the east) Observer: Ian Waite Processing: John Kielkopf Contact: jkielkopf@gmail.com or john.kielkopf@louisville.edu All images: Planewave CDK700 0.7 corrected Dall-Kirkham Apogee U16 4096x4096 9 micron pixel CCD Plate scale 0.394 arcsec/pixel FITS files with with headers and full documentation in 32-bit floating point GPS times with subsecond error Bias and dark corrected and not flat-fielded Sloan filters Images cropped to 3000x3000 centered on Proxima CentauriAstrometry added in WCS headers using Astrometry.net Files: V645Cen_g_00046_dw.fits 2020-04-23T10:47:50.211 Sloan g' 128 second exposure V645Cen_r_00039_dw.fits 2020-04-23T10:32:39.391 Sloan r' 32 second exposure V645Cen_r_00058_dw.fits 2020-04-23T11:35:46.523 Sloan r' 128 second exposure V645Cen_i_00074_dw.fits 2020-04-23T12:10:38.588 Sloan i' 128 second exposure V645Cen_r_00058_dc_ids.png Proxima Centauri and Tycho catalog stars labeled and N-E arrows added proxcen_rgb_irg_sqrt_nsew_20200423.png RGB representation mapping Sloan i'->R, Sloan r'->G, Sloan g'->B Square root stretch