SIMPLE = T / file does conform to FITS standard BITPIX = -32 / number of bits per data pixel NAXIS = 3 / number of data axes NAXIS1 = 4049 / length of data axis 1 NAXIS2 = 3010 / length of data axis 2 NAXIS3 = 3 / length of data axis 3 EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H BZERO = 0 / offset data range to that of unsigned short BSCALE = 1 / default scaling factor DATE = '2023-08-17T20:28:42' / UTC date that FITS file was created DATE-OBS= '2023-08-17T02:29:42.500000' / YYYY-MM-DDThh:mm:ss observation start, INSTRUME= 'ZWO ASI1600MM Pro' / instrument name OBSERVER= ' ' / observer name TELESCOP= ' ' / telescope used to acquire this image XPIXSZ = 3.8 / X pixel size microns YPIXSZ = 3.8 / Y pixel size microns XBINNING= 1 / Camera binning mode YBINNING= 1 / Camera binning mode CCD-TEMP= 24.5 / CCD temp in C EXPTIME = 5 / Exposure time [s] STACKCNT= 39 / Stack frames LIVETIME= 195 / Exposure time after deadtime correction EXPSTART= 2.46017e+06 / Exposure start time (standard Julian date) EXPEND = 2.46017e+06 / Exposure end time (standard Julian date) OFFSET = 50 / Camera offset HISTORY Background neutralization HISTORY Color Calibration HISTORY Crop (x=291, y=332, w=4049, h=3010) HISTORY SCNR (type=maximum neutral, amount=1.00, preserve=true) HISTORY Background extraction (Correction: Subtraction) HISTORY Cosmetic Correction HISTORY CLAHE (size=8, clip=2.00) HISTORY Histogram Transf. (mid=0.228, lo=0.000, hi=1.000)
Past Event
Astro Image Processing
Jul. 24, 2026
Friday / 7:00 PM
Event Details
Explore how modern-day cameras, a 170-year old telescope, and computers work together to create images of our celestial neighbors. In this workshop we’ll demonstrate a range of techniques to process basic image data from telescopes. Attendees will be given resources for processing astronomical images at home. Part of the Imagining the Cosmos series.
