Astro
Night skies, solitude, and hours under the stars.
![SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 1980 / length of data axis 1
NAXIS2 = 3432 / 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
MIPS-HI = 65535 / Lower visualization cutoff
PROGRAM = 'Siril 1.4.4' / Software that created this HDU
DATE = '2026-07-23T09:51:38' / UTC date that FITS file was created
DATE-OBS= '2026-07-14T11:38:07.180113' / YYYY-MM-DDThh:mm:ss observation start,
IMAGETYP= 'Light ' / Type of image
EXPTIME = 20. / [s] Exposure time duration
TELESCOP= 'S30 Pro_695097a9' / Telescope used to acquire this image
FILTER = 'LP ' / Active filter name
APERTURE= 5. / Aperture of the instrument
FOCALLEN= 163.288 / [mm] Focal length
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 2.9 / [um] Pixel X axis size
YPIXSZ = 2.9 / [um] Pixel Y axis size
CCD-TEMP= 13. / [degC] CCD temperature
GAIN = 200 / Sensor gain
BAYERPAT= 'GRBG ' / Bayer color pattern
FOCPOS = 1303 / [step] Focuser position
STACKCNT= 240 / Stack frames
OBJECT = 'M 8 ' / Name of the object of interest
SITELAT = -42.9156 / [deg] Observation site latitude
SITELONG= 147.25 / [deg] Observation site longitude
OBJCTRA = '18 03 46.475' / [H M S] Image center Right Ascension
OBJCTDEC= '-24 14 20.357' / [D M S] Image center Declination
RA = 270.943647812075 / [deg] Image center Right Ascension
DEC = -24.2389880318969 / [deg] Image center Declination
CTYPE1 = 'RA---TAN-SIP' / TAN (gnomic) projection + SIP distortions
CTYPE2 = 'DEC--TAN-SIP' / TAN (gnomic) projection + SIP distortions
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000. / Equatorial equinox
CRPIX1 = 990.5 / Axis1 reference pixel
CRPIX2 = 1716.5 / Axis2 reference pixel
CRVAL1 = 270.943647812075 / [deg] Axis1 reference value
CRVAL2 = -24.2389880318969 / [deg] Axis2 reference value
LONPOLE = 180. / Native longitude of celestial pole
CDELT1 = -0.00101804859452255 / [deg] X pixel size
CDELT2 = 0.00101710169060728 / [deg] Y pixel size
PC1_1 = -0.999996031407772 / Linear transformation matrix (1, 1)
PC1_2 = 0.0028172981215973 / Linear transformation matrix (1, 2)
PC2_1 = 0.00309046917576418 / Linear transformation matrix (2, 1)
PC2_2 = 0.999995224488734 / Linear transformation matrix (2, 2)
A_ORDER = 3 / SIP polynomial degree, axis 1, pixel-to-sky
A_0_0 = 0.
A_1_0 = 0.
A_0_1 = 0.
A_2_0 = 5.75284443558244E-07
A_1_1 = 6.46457477489981E-09
A_0_2 = -4.77878123793696E-08
A_3_0 = -6.94231332910033E-10
A_2_1 = -2.18285318444115E-10
A_1_2 = -3.5756787681578E-10
A_0_3 = 8.29067943631651E-11
B_ORDER = 3 / SIP polynomial degree, axis 2, pixel-to-sky
B_0_0 = 0.
B_1_0 = 0.
B_0_1 = 0.
B_2_0 = 6.92742956563841E-07
B_1_1 = -7.47977215971955E-08
B_0_2 = -3.92407259371572E-07
B_3_0 = 7.60119662873318E-10
B_2_1 = 4.82139489058024E-10
B_1_2 = -2.68244021376729E-10
B_0_3 = 5.78453790855898E-13
AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel
AP_0_0 = 0.000492228368335551
AP_1_0 = -1.4033602717678E-06
AP_0_1 = -2.72387517064887E-07
AP_2_0 = -5.77928007419866E-07
AP_1_1 = -6.34835992166324E-09
AP_0_2 = 4.74372463241475E-08
AP_3_0 = 6.97739622399829E-10
AP_2_1 = 2.1922776773948E-10
AP_1_2 = 3.58380359969699E-10
AP_0_3 = -8.28369998434763E-11
BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel
BP_0_0 = 0.000610354185869639
BP_1_0 = 1.37222581662541E-06
BP_0_1 = 2.74419515111646E-07
BP_2_0 = -6.93891486027014E-07
BP_1_1 = 7.54736056480829E-08
BP_0_2 = 3.91918571745191E-07
BP_3_0 = -7.62778054406928E-10
BP_2_1 = -4.83927932604473E-10
BP_1_2 = 2.67958510711409E-10
BP_0_3 = -3.80483953002116E-13
PLTSOLVD= T
HISTORY VeraLux Curves
CREATOR = 'ZWO Seestar S30 Pro' / Capture software
PRODUCER= 'ZWO ' / Powered by ZWO
BIAS = 1106 / Correction from bias
XORGSUBF= 0 / Subframe X position in binned pixels
YORGSUBF= 0 / Subframe Y position in binned pixels
EQMODE = 1 / Equatorial mode
WIDECAM = 0 / Is wide camera
CCDXBIN = 1 / Camera X Bin
CCDYBIN = 1 / Camera Y Bin
DATE-EXP= '2026-07-14T11:38:27.480115' / Exposure end time
TOTALEXP= 4800. / Total Exposure Time in seconds
IMAGEW = 2160 / Image width, in pixels.
IMAGEH = 3840 / Image height, in pixels.
END](https://ffourie.com/wp-content/gallery/astro/M8-3-Edit.jpg?t=1785032282 "SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 1980 / length of data axis 1
NAXIS2 = 3432 / 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
MIPS-HI = 65535 / Lower visualization cutoff
PROGRAM = 'Siril 1.4.4' / Software that created this HDU
DATE = '2026-07-23T09:51:38' / UTC date that FITS file was created
DATE-OBS= '2026-07-14T11:38:07.180113' / YYYY-MM-DDThh:mm:ss observation start,
IMAGETYP= 'Light ' / Type of image
EXPTIME = 20. / [s] Exposure time duration
TELESCOP= 'S30 Pro_695097a9' / Telescope used to acquire this image
FILTER = 'LP ' / Active filter name
APERTURE= 5. / Aperture of the instrument
FOCALLEN= 163.288 / [mm] Focal length
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 2.9 / [um] Pixel X axis size
YPIXSZ = 2.9 / [um] Pixel Y axis size
CCD-TEMP= 13. / [degC] CCD temperature
GAIN = 200 / Sensor gain
BAYERPAT= 'GRBG ' / Bayer color pattern
FOCPOS = 1303 / [step] Focuser position
STACKCNT= 240 / Stack frames
OBJECT = 'M 8 ' / Name of the object of interest
SITELAT = -42.9156 / [deg] Observation site latitude
SITELONG= 147.25 / [deg] Observation site longitude
OBJCTRA = '18 03 46.475' / [H M S] Image center Right Ascension
OBJCTDEC= '-24 14 20.357' / [D M S] Image center Declination
RA = 270.943647812075 / [deg] Image center Right Ascension
DEC = -24.2389880318969 / [deg] Image center Declination
CTYPE1 = 'RA---TAN-SIP' / TAN (gnomic) projection + SIP distortions
CTYPE2 = 'DEC--TAN-SIP' / TAN (gnomic) projection + SIP distortions
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000. / Equatorial equinox
CRPIX1 = 990.5 / Axis1 reference pixel
CRPIX2 = 1716.5 / Axis2 reference pixel
CRVAL1 = 270.943647812075 / [deg] Axis1 reference value
CRVAL2 = -24.2389880318969 / [deg] Axis2 reference value
LONPOLE = 180. / Native longitude of celestial pole
CDELT1 = -0.00101804859452255 / [deg] X pixel size
CDELT2 = 0.00101710169060728 / [deg] Y pixel size
PC1_1 = -0.999996031407772 / Linear transformation matrix (1, 1)
PC1_2 = 0.0028172981215973 / Linear transformation matrix (1, 2)
PC2_1 = 0.00309046917576418 / Linear transformation matrix (2, 1)
PC2_2 = 0.999995224488734 / Linear transformation matrix (2, 2)
A_ORDER = 3 / SIP polynomial degree, axis 1, pixel-to-sky
A_0_0 = 0.
A_1_0 = 0.
A_0_1 = 0.
A_2_0 = 5.75284443558244E-07
A_1_1 = 6.46457477489981E-09
A_0_2 = -4.77878123793696E-08
A_3_0 = -6.94231332910033E-10
A_2_1 = -2.18285318444115E-10
A_1_2 = -3.5756787681578E-10
A_0_3 = 8.29067943631651E-11
B_ORDER = 3 / SIP polynomial degree, axis 2, pixel-to-sky
B_0_0 = 0.
B_1_0 = 0.
B_0_1 = 0.
B_2_0 = 6.92742956563841E-07
B_1_1 = -7.47977215971955E-08
B_0_2 = -3.92407259371572E-07
B_3_0 = 7.60119662873318E-10
B_2_1 = 4.82139489058024E-10
B_1_2 = -2.68244021376729E-10
B_0_3 = 5.78453790855898E-13
AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel
AP_0_0 = 0.000492228368335551
AP_1_0 = -1.4033602717678E-06
AP_0_1 = -2.72387517064887E-07
AP_2_0 = -5.77928007419866E-07
AP_1_1 = -6.34835992166324E-09
AP_0_2 = 4.74372463241475E-08
AP_3_0 = 6.97739622399829E-10
AP_2_1 = 2.1922776773948E-10
AP_1_2 = 3.58380359969699E-10
AP_0_3 = -8.28369998434763E-11
BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel
BP_0_0 = 0.000610354185869639
BP_1_0 = 1.37222581662541E-06
BP_0_1 = 2.74419515111646E-07
BP_2_0 = -6.93891486027014E-07
BP_1_1 = 7.54736056480829E-08
BP_0_2 = 3.91918571745191E-07
BP_3_0 = -7.62778054406928E-10
BP_2_1 = -4.83927932604473E-10
BP_1_2 = 2.67958510711409E-10
BP_0_3 = -3.80483953002116E-13
PLTSOLVD= T
HISTORY VeraLux Curves
CREATOR = 'ZWO Seestar S30 Pro' / Capture software
PRODUCER= 'ZWO ' / Powered by ZWO
BIAS = 1106 / Correction from bias
XORGSUBF= 0 / Subframe X position in binned pixels
YORGSUBF= 0 / Subframe Y position in binned pixels
EQMODE = 1 / Equatorial mode
WIDECAM = 0 / Is wide camera
CCDXBIN = 1 / Camera X Bin
CCDYBIN = 1 / Camera Y Bin
DATE-EXP= '2026-07-14T11:38:27.480115' / Exposure end time
TOTALEXP= 4800. / Total Exposure Time in seconds
IMAGEW = 2160 / Image width, in pixels.
IMAGEH = 3840 / Image height, in pixels.
END")
Night skies, solitude, and hours under the stars.