M31-reducedStars_final-gimp

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 2727 / length of data axis 1

NAXIS2 = 2914 / 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

MIPS-LO = 382 / Upper visualization cutoff

PROGRAM = 'Siril 1.4.0-beta3' / Software that created this HDU

DATE = '2025-09-07T16:04:32' / UTC date that FITS file was created

DATE-OBS= '2025-09-06T21:50:05.809000' / YYYY-MM-DDThh🇲🇲ss observation start,

IMAGETYP= 'Light Frame' / Type of image

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

EXPTIME = 180. / [s] Exposure time duration

TELESCOP= 'Slywatcher Evolux 62 ED 400@F\6.5' / Telescope used to acquire this i

FILTER = 'mixed ' / Active filter name

FOCALLEN= 362.507 / [mm] Focal length

CENTALT = 39.89957 / [deg] Altitude of telescope

CENTAZ = 32.74331 / [deg] Azimuth of telescope

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

XPIXSZ = 4.8 / [um] Pixel X axis size

YPIXSZ = 4.8 / [um] Pixel Y axis size

INSTRUME= 'QHY CCD QHY168C-f3c2994' / Instrument name

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

GAIN = 10 / Sensor gain

OFFSET = 50 / Sensor gain offset

STACKCNT= 182 / Stack frames

LIVETIME= 32760. / [s] Exposure time after deadtime correction

EXPSTART= 2460925.38793968 / [JD] Exposure start time (standard Julian date)

EXPEND = 2460925.63782278 / [JD] Exposure end time (standard Julian date)

OBJECT = 'M 31 ' / Name of the object of interest

AIRMASS = 1.557501 / Airmass at frame center (Gueymard 1993)

SITELAT = 47.91667 / [deg] Observation site latitude

SITELONG= 1.933056 / [deg] Observation site longitude

OBJCTRA = '00 42 30.672' / [H M S] Image center Right Ascension

OBJCTDEC= '+41 12 22.659' / [D M S] Image center Declination

RA = 10.6277982528625 / [deg] Image center Right Ascension

DEC = 41.2062942758214 / [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 = 1364. / Axis1 reference pixel

CRPIX2 = 1457.5 / Axis2 reference pixel

CRVAL1 = 10.6277982528625 / [deg] Axis1 reference value

CRVAL2 = 41.2062942758214 / [deg] Axis2 reference value

LONPOLE = 180. / Native longitude of celestial pole

CDELT1 = -0.000758721053819356 / [deg] X pixel size

CDELT2 = 0.000758599487695311 / [deg] Y pixel size

PC1_1 = -0.336820836673126 / Linear transformation matrix (1, 1)

PC1_2 = -0.941568756906693 / Linear transformation matrix (1, 2)

PC2_1 = 0.941480486837379 / Linear transformation matrix (2, 1)

PC2_2 = -0.337067490132841 / 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 = 3.97578917841809E-07

A_1_1 = -2.44774798826953E-08

A_0_2 = 9.22941238005915E-08

A_3_0 = -1.12035964590002E-09

A_2_1 = 5.12191944642339E-12

A_1_2 = -1.1009892822829E-09

A_0_3 = 3.73598524888844E-13

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 = 1.19579208308998E-07

B_1_1 = 2.91051781005884E-07

B_0_2 = 1.02802639174333E-07

B_3_0 = -1.3611124041332E-11

B_2_1 = -1.07757308897139E-09

B_1_2 = 1.73284258110139E-12

B_0_3 = -1.1172753794729E-09

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

AP_0_0 = 0.000988225551640077

AP_1_0 = -1.24879495848607E-05

AP_0_1 = 1.15890752822243E-07

AP_2_0 = -4.025349097176E-07

AP_1_1 = 2.41075310703775E-08

AP_0_2 = -9.34493958401128E-08

AP_3_0 = 1.13489542756861E-09

AP_2_1 = -5.25179707652799E-12

AP_1_2 = 1.11750286044444E-09

AP_0_3 = -4.17413704041954E-13

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

BP_0_0 = 0.000952212066372248

BP_1_0 = 3.76735565828782E-07

BP_0_1 = -1.33797912759137E-05

BP_2_0 = -1.21044688351177E-07

BP_1_1 = -2.9451504048561E-07

BP_0_2 = -1.04667173896164E-07

BP_3_0 = 1.36872185686008E-11

BP_2_1 = 1.09420708095768E-09

BP_1_2 = -1.93156721119263E-12

BP_0_3 = 1.13223326583511E-09

FRAME = 'Light ' / Frame Type

APTDIA = 6.200E+01 / Telescope diameter (mm)

SCALE = 2.750667E+00 / arcsecs per pixel

PIERSIDE= 'WEST ' / West, looking East

RADECSYS= 'FK5 ' / RADECSYS

SECPIX1 = 2.7506667760E+00 / SECPIX1

SECPIX2 = 2.7506667760E+00 / SECPIX2

COMMENT Generated by INDI

END

 

Done