M81-82-gimp-crop2

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 3233 / length of data axis 1

NAXIS2 = 2381 / 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

PROGRAM = 'Siril 1.4.0-beta2' / Software that created this HDU

DATE = '2025-05-30T15:34:34' / UTC date that FITS file was created

DATE-OBS= '2025-05-29T22:51:11.440000' / YYYY-MM-DDThh🇲🇲ss observation start,

IMAGETYP= 'LIGHT ' / Type of image

ROWORDER= 'BOTTOM-UP' / Order of the rows in image array

EXPTIME = 180. / [s] Exposure time duration

TELESCOP= 'Evolux62ED + red 0,9X' / Telescope used to acquire this image

FOCALLEN= 362.746 / [mm] Focal length

CENTALT = 46.5351886177 / [deg] Altitude of telescope

CENTAZ = 328.529153054 / [deg] Azimuth of telescope

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

XPIXSZ = 4.80000019073486 / [um] Pixel X axis size

YPIXSZ = 4.80000019073486 / [um] Pixel Y axis size

INSTRUME= 'QHY168C ' / Instrument name

CCD-TEMP= -10.1 / [degC] CCD temperature

SET-TEMP= -10. / [degC] CCD temperature setpoint

GAIN = 10 / Sensor gain

OFFSET = 50 / Sensor gain offset

STACKCNT= 50 / Stack frames

LIVETIME= 9000. / [s] Exposure time after deadtime correction

EXPSTART= 2460825.44591554 / [JD] Exposure start time (standard Julian date)

EXPEND = 2460825.58988351 / [JD] Exposure end time (standard Julian date)

OBJECT = 'M 81 ' / Name of the object of interest

AIRMASS = 1.37656926256564 / Airmass at frame center (Gueymard 1993)

SITELAT = 47.8461111111111 / [deg] Observation site latitude

SITELONG= 2.03333333333333 / [deg] Observation site longitude

SITEELEV= 100. / [m] Observation site elevation

OBJCTRA = '09 56 28.991' / [H M S] Image center Right Ascension

OBJCTDEC= '+69 13 39.535' / [D M S] Image center Declination

RA = 149.120797829765 / [deg] Image center Right Ascension

DEC = 69.2276487128759 / [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 = 1398.5 / Axis1 reference pixel

CRPIX2 = 1324.5 / Axis2 reference pixel

CRVAL1 = 149.232400331936 / [deg] Axis1 reference value

CRVAL2 = 69.4176747680329 / [deg] Axis2 reference value

LONPOLE = 180. / Native longitude of celestial pole

CDELT1 = -0.00075846636598721 / [deg] X pixel size

CDELT2 = 0.000757856678281084 / [deg] Y pixel size

PC1_1 = 0.684319883532855 / Linear transformation matrix (1, 1)

PC1_2 = 0.729181936831666 / Linear transformation matrix (1, 2)

PC2_1 = -0.72912939960989 / Linear transformation matrix (2, 1)

PC2_2 = 0.684375860638379 / 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 = 4.88282691352465E-07

A_1_1 = -4.84143767300149E-08

A_0_2 = 2.47902930496684E-07

A_3_0 = -9.38902752301354E-10

A_2_1 = -2.60908941548892E-11

A_1_2 = -9.59812714947483E-10

A_0_3 = -2.43623482638473E-10

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 = -5.55579050606427E-08

B_1_1 = 2.85841832834249E-07

B_0_2 = -1.71345239101971E-07

B_3_0 = -5.37968508068464E-11

B_2_1 = -1.06440014406305E-09

B_1_2 = -2.85233836657898E-12

B_0_3 = -8.98180265970671E-10

AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel

AP_0_0 = 0.0128303089794321

AP_1_0 = -5.52758456159319E-05

AP_0_1 = -1.03930010898326E-05

AP_2_0 = -5.0466446282257E-07

AP_1_1 = 5.04489272149756E-08

AP_0_2 = -2.54046104525162E-07

AP_3_0 = 9.65790534423701E-10

AP_2_1 = 3.06235131352588E-11

AP_1_2 = 9.91309560570671E-10

AP_0_3 = 2.5020950408452E-10

BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel

BP_0_0 = -0.0028162775575758

BP_1_0 = -5.58511609164564E-06

BP_0_1 = -4.20740732082203E-05

BP_2_0 = 5.68390105826947E-08

BP_1_1 = -2.9435324378723E-07

BP_0_2 = 1.74875324548103E-07

BP_3_0 = 5.59034993100432E-11

BP_2_1 = 1.09476749115569E-09

BP_1_2 = 6.72664307213777E-12

BP_0_3 = 9.19144264237707E-10

DATE-LOC= '2025-05-30T00:51:11.440' / Time of observation (local)

MJD-OBS = 60824.9522157409 / Modified Julian Date of observation

DATE-AVG= '2025-05-29T22:52:40.986' / Averaged midpoint time (UTC)

MJD-AVG = 60824.953252153 / Modified Julian Date of averaged midpoint

CAMERAID= 'QHY168C-f3c29947a8d19c337' / Imaging instrument identifier

USBLIMIT= 0 / Camera-specific USB setting

FOCRATIO= 58.0 / Focal ratio

PIERSIDE= 'East' / Telescope pointing state

OBJCTROT= 312.29 / [deg] planned rotation of imaged object

ROTNAME = 'Manual Rotator' / Rotator equipment name

ROTATOR = 312.086853027344 / [deg] Mechanical rotator angle

ROTATANG= 312.086853027344 / [deg] Mechanical rotator angle

ROTSTPSZ= 0.0 / [deg] Rotator step size

END

 

Done