Koen Van der auwera NGC7635_Bubblenevel_ALTAIR60EDF_59x120s_kvda

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 3691 / length of data axis 1

NAXIS2 = 1965 / 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-beta4' / Software that created this HDU

FILENAME= 'NGC_7635_Bubble_Light (54).fits'

DATE = '2025-10-14T18:35:45' / UTC date that FITS file was created

DATE-OBS= '2025-09-22T22:23:26.767000' / YYYY-MM-DDThh🇲🇲ss observation start,

IMAGETYP= 'Light Frame' / Type of image

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

EXPTIME = 120. / [s] Exposure time duration

TELESCOP= 'ALTAIR 60ED 285@F\4.8' / Telescope used to acquire this image

FOCALLEN= 282.461 / [mm] Focal length

CENTALT = 72.11842 / [deg] Altitude of telescope

CENTAZ = 12.91167 / [deg] Azimuth of telescope

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

INSTRUME= 'ZWO CCD ASI585MC Pro' / Instrument name

CCD-TEMP= -1. / [degC] CCD temperature

GAIN = 252 / Sensor gain

OFFSET = 10 / Sensor gain offset

FOCPOS = 4509 / [step] Focuser position

FOCTEMP = 15.48 / [degC] Focuser temperature

STACKCNT= 58 / Stack frames

LIVETIME= 6960. / [s] Exposure time after deadtime correction

EXPSTART= 2460941.3897226 / [JD] Exposure start time (standard Julian date)

EXPEND = 2460944.60884277 / [JD] Exposure end time (standard Julian date)

OBJECT = 'Sh2 162 ' / Name of the object of interest

AIRMASS = 1.050686 / Airmass at frame center (Gueymard 1993)

SITELAT = 44.21667 / [deg] Observation site latitude

SITELONG= 3.733333 / [deg] Observation site longitude

OBJCTRA = '23 20 52.195' / [H M S] Image center Right Ascension

OBJCTDEC= '+61 12 28.703' / [D M S] Image center Declination

RA = 350.217477463557 / [deg] Image center Right Ascension

DEC = 61.2079730644871 / [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 = 1837.5 / Axis1 reference pixel

CRPIX2 = 974.5 / Axis2 reference pixel

CRVAL1 = 350.207775036384 / [deg] Axis1 reference value

CRVAL2 = 61.2132801128552 / [deg] Axis2 reference value

LONPOLE = 180. / Native longitude of celestial pole

CDELT1 = -0.00058830773425128 / [deg] X pixel size

CDELT2 = 0.000588192338233164 / [deg] Y pixel size

PC1_1 = -0.997981989925106 / Linear transformation matrix (1, 1)

PC1_2 = 0.0634976203107346 / Linear transformation matrix (1, 2)

PC2_1 = -0.0634318661598284 / Linear transformation matrix (2, 1)

PC2_2 = -0.997986171424976 / 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 = 9.41523703598515E-08

A_1_1 = -9.88207826651466E-08

A_0_2 = 2.12578539771632E-09

A_3_0 = -6.53696426575744E-10

A_2_1 = 2.1363639298717E-11

A_1_2 = -6.29268911002666E-10

A_0_3 = 3.00103557623282E-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 = -4.80083420188451E-09

B_1_1 = 1.02012585149506E-07

B_0_2 = -1.0931161052628E-07

B_3_0 = 1.00216505530888E-11

B_2_1 = -6.25071803267454E-10

B_1_2 = -1.03489842464797E-11

B_0_3 = -6.31199203030735E-10

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

AP_0_0 = 0.000926054911037176

AP_1_0 = -8.77364601015174E-06

AP_0_1 = -3.12467402361949E-07

AP_2_0 = -9.54533503297082E-08

AP_1_1 = 9.97376571236109E-08

AP_0_2 = -3.14299616055984E-09

AP_3_0 = 6.60961195922107E-10

AP_2_1 = -2.1627445732551E-11

AP_1_2 = 6.37909588719738E-10

AP_0_3 = -2.97406849747559E-11

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

BP_0_0 = 2.79011869830962E-05

BP_1_0 = -2.01416905107562E-07

BP_0_1 = -5.52870273384798E-06

BP_2_0 = 4.87402209434737E-09

BP_1_1 = -1.0302374653656E-07

BP_0_2 = 1.09637648175338E-07

BP_3_0 = -1.00916078458001E-11

BP_2_1 = 6.31701026778199E-10

BP_1_2 = 1.0908443807636E-11

BP_0_3 = 6.36747832531706E-10

PLTSOLVD= T / Siril internal solver

HISTORY Plate Solve

HISTORY Synthetic stars: desaturate clipped stars

HISTORY Crop (x=83, y=89, w=3691, h=1965)

HISTORY Photometric CC (algorithm: PCC)

HISTORY Cosmetic Correction

HISTORY Deconvolution

HISTORY Saturation enhancement (amount=0.39)

HISTORY GHS pivot: 0.000, amount: 4.33, local: 0.00 [0.00 1.00]

HISTORY GHS pivot: 0.000, amount: 3.50, local: 0.00 [0.00 1.00]

HISTORY GHS pivot: 0.000, amount: 2.49, local: 0.00 [0.00 1.00]

HISTORY GHS pivot: 0.000, amount: 0.66, local: 0.00 [0.00 1.00]

HISTORY GHS LINEAR BP: 0.05

HISTORY GHS pivot: 0.024, amount: 1.82, local: 0.00 [0.00 1.00]

HISTORY GHS pivot: 0.101, amount: 0.73, local: 0.00 [0.00 1.00]

HISTORY GHS LINEAR BP: 0.04

HISTORY GHS SAT pivot: 0.047, amount: 0.70, local: 2.03 [0.00 1.00]

HISTORY GHS pivot: 0.131, amount: 0.50, local: -3.22 [0.00 1.00]

FRAME = 'Light ' / Frame Type

APTDIA = 6.000E+01 / Telescope diameter (mm)

SCALE = 2.099193E+00 / arcsecs per pixel

PIERSIDE= 'WEST ' / West, looking East

RADECSYS= 'FK5 ' / RADECSYS

SECPIX1 = 2.0991930515E+00 / SECPIX1

SECPIX2 = 2.0991930515E+00 / SECPIX2

COMMENT Generated by INDI

WB_R = 5.500E+01 / White Balance - Red

WB_B = 7.500E+01 / White Balance - Blue

END

Done