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Christmas Astrophotography photos for December

   December 18, 2023

Here’s a handful of Deep Sky Objects (DSO) visible from the Northern Hemisphere in the month of December. These were taken with a SVBony SV503 80mm ED refractor telescope (560 mm focal length) and a ZWO ASI533MC Pro dedicated astrophotography camera.

NGC281-Pacman-full-stack-ms-edit
M31-Siril3
M31-processed
Veil-NGC6960-Siril
NGC2175-Hill-Region_gimp
M42_drizzle-bak-MS-edited
M1-gimp-2
SIMPLE = T / file does conform to FITS standardBITPIX = -32 / number of bits per data pixelNAXIS = 3 / number of data axesNAXIS1 = 2947 / length of data axis 1NAXIS2 = 2898 / length of data axis 2NAXIS3 = 3 / length of data axis 3EXTEND = T / FITS dataset may contain extensionsCOMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359HBZERO = 0 / offset data range to that of unsigned shortBSCALE = 1 / default scaling factorDATE = '2023-12-18T00:51:30' / UTC date that FITS file was createdDATE-OBS= '2023-12-15T23:45:03' / YYYY-MM-DDThh:mm:ss observation start, UTINSTRUME= ' ' / instrument nameOBSERVER= ' ' / observer nameTELESCOP= ' ' / telescope used to acquire this imageROWORDER= 'TOP-DOWN' / Order of the rows in image arrayXPIXSZ = 3.76 / X pixel size micronsYPIXSZ = 3.76 / Y pixel size micronsXBINNING= 1 / Camera binning modeYBINNING= 1 / Camera binning modeFOCALLEN= 560.112 / Camera focal lengthCCD-TEMP= 0 / CCD temp in CCTYPE1 = 'RA---TAN' / Coordinate type for the first axisCTYPE2 = 'DEC--TAN' / Coordinate type for the second axisCUNIT1 = 'deg ' / Unit of coordinatesCUNIT2 = 'deg ' / Unit of coordinatesEQUINOX = 2000 / Equatorial equinoxOBJCTRA = '05 41 10.853' / Image center Right Ascension (hms)OBJCTDEC= '-02 28 4.333' / Image center Declination (dms)RA = 85.2952 / Image center Right Ascension (deg)DEC = -2.46787 / Image center Declination (deg)CRPIX1 = 1467 / Axis1 reference pixelCRPIX2 = 1401 / Axis2 reference pixelCRVAL1 = 85.2952 / Axis1 reference value (deg)CRVAL2 = -2.46787 / Axis2 reference value (deg)CDELT1 = -0.000384671 / X pixel size (deg)CDELT2 = 0.000384576 / Y pixel size (deg)PC1_1 = -0.0150118 / Linear transformation matrix (1, 1)PC1_2 = 0.999641 / Linear transformation matrix (1, 2)PC2_1 = -1.00013 / Linear transformation matrix (2, 1)PC2_2 = -0.0149803 / Linear transformation matrix (2, 2)PLTSOLVD= T / Siril internal solveHISTORY TOP-DOWN mirrorHISTORY Histogram Transf. (mid=0.483, lo=0.016, hi=0.884)END
M45-12-15-2023_edited
M81_Astrocooker
orion-seestar-02-17-2024

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