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John Whitmore Photography: Finding wonder in the natural world

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I recently purchased a SeeStar S50. All these images were shot using the S50.

Orion Nebula

SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 1041 / length of data axis 1
NAXIS2 = 1686 / 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 = '2025-10-21T13:44:22' / UTC date that FITS file was created
DATE-OBS= '2025-10-20T23:17:34.158848' / YYYY-MM-DDThh:mm:ss observation start,
INSTRUME= 'Seestar S50' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'S50_49167198' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 250 / Camera focal length
CCD-TEMP= 22.25 / CCD temp in C
EXPTIME = 10 / Exposure time [s]
STACKCNT= 105 / Stack frames
LIVETIME= 1050 / Exposure time after deadtime correction
EXPSTART= 2.46097e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46097e+006 / Exposure end time (standard Julian date)
FILTER = 'IRCUT ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'C-2025 A6' / Name of the object of interest
APERTURE= 5 / Aperture of the instrument
GAIN = 80 / Camera gain
SIT

SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 579 / length of data axis 1
NAXIS2 = 711 / 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 = '2024-04-21T21:40:11' / UTC date that FITS file was created
DATE-OBS= '2024-03-12T08:51:59.194065' / YYYY-MM-DDThh:mm:ss observation start,
INSTRUME= 'Seestar S50' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'Seestar S50' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 251.821 / Camera focal length
CCD-TEMP= 15.4375 / CCD temp in C
EXPTIME = 10 / Exposure time [s]
STACKCNT= 87 / Stack frames
LIVETIME= 870 / Exposure time after deadtime correction
EXPSTART= 2.46038e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46038e+006 / Exposure end time (standard Julian date)
FILTER = 'IRCUT ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'M 51 ' / Name of the object of interest
GAIN = 80 / Camera gain
SITELAT = 38.7247 / [deg] Observation site latitud

SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 764 / length of data axis 1
NAXIS2 = 964 / 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 = '2024-04-25T17:02:43' / UTC date that FITS file was created
DATE-OBS= '2024-03-12T07:47:26.021267' / YYYY-MM-DDThh:mm:ss observation start,
INSTRUME= 'Seestar S50' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'Seestar S50' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 251.709 / Camera focal length
CCD-TEMP= 18.6875 / CCD temp in C
EXPTIME = 10 / Exposure time [s]
STACKCNT= 193 / Stack frames
LIVETIME= 1930 / Exposure time after deadtime correction
EXPSTART= 2.46038e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46038e+006 / Exposure end time (standard Julian date)
FILTER = 'IRCUT ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'M 101 ' / Name of the object of interest
GAIN = 80 / Camera gain
SITELAT = 38.7247 / [deg] Observation site latitud

SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 669 / length of data axis 1
NAXIS2 = 871 / 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 = '2024-05-03T20:52:53' / UTC date that FITS file was created
DATE-OBS= '2024-04-23T01:31:28.235337' / YYYY-MM-DDThh:mm:ss observation start,
INSTRUME= 'Seestar S50' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'Seestar S50' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 251.871 / Camera focal length
CCD-TEMP= 28.6875 / CCD temp in C
EXPTIME = 10 / Exposure time [s]
STACKCNT= 203 / Stack frames
LIVETIME= 2030 / Exposure time after deadtime correction
EXPSTART= 2.46042e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46043e+006 / Exposure end time (standard Julian date)
FILTER = 'IRCUT ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'NGC 4631' / Name of the object of interest
GAIN = 80 / Camera gain
SITELAT = 38.7276 / [deg] Observation site latitud

Horsehead v1 March 01, 2024

SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 981 / length of data axis 1
NAXIS2 = 1463 / 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 = '2024-08-21T19:39:28' / UTC date that FITS file was created
DATE-OBS= '2024-08-21T00:38:40.917173' / YYYY-MM-DDThh:mm:ss observation start,
INSTRUME= 'Seestar S50' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'Seestar S50' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 251.738 / Camera focal length
CCD-TEMP= 23.9375 / CCD temp in C
EXPTIME = 10 / Exposure time [s]
STACKCNT= 400 / Stack frames
LIVETIME= 4000 / Exposure time after deadtime correction
EXPSTART= 2.46054e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46054e+006 / Exposure end time (standard Julian date)
FILTER = 'LP ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'M 16 ' / Name of the object of interest
APERTURE= 5 / Aperture of the instrument
GAIN = 80 / Camera gain
SIT

SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 648 / length of data axis 1
NAXIS2 = 660 / 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 = '2024-07-04T11:26:55' / UTC date that FITS file was created
DATE-OBS= '2024-07-03T03:15:13.445988' / YYYY-MM-DDThh:mm:ss observation start,
INSTRUME= 'Seestar S50' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'Seestar S50' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 251.814 / Camera focal length
CCD-TEMP= 27.8125 / CCD temp in C
EXPTIME = 10 / Exposure time [s]
STACKCNT= 22 / Stack frames
LIVETIME= 220 / Exposure time after deadtime correction
EXPSTART= 2.46049e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46049e+006 / Exposure end time (standard Julian date)
FILTER = 'LP ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'M 27 ' / Name of the object of interest
APERTURE= 5 / Aperture of the instrument
GAIN = 80 / Camera gain
SIT

SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 1080 / length of data axis 1
NAXIS2 = 1920 / 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 = '2024-10-19T00:04:19' / UTC date that FITS file was created
DATE-OBS= '2024-10-17T23:20:48.231388' / YYYY-MM-DDThh:mm:ss observation start,
INSTRUME= 'Seestar S50' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'Seestar S50' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 250 / Camera focal length
CCD-TEMP= 15.1875 / CCD temp in C
EXPTIME = 10 / Exposure time [s]
STACKCNT= 144 / Stack frames
LIVETIME= 1440 / Exposure time after deadtime correction
EXPSTART= 2.4606e+006 / Exposure start time (standard Julian date)
EXPEND = 2.4606e+006 / Exposure end time (standard Julian date)
FILTER = 'IRCUT ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'C-2023 A3' / Name of the object of interest
APERTURE= 5 / Aperture of the instrument
GAIN = 80 / Camera gain
SIT

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