View allAll Photos Tagged m13

"Hercules Globular Cluster"

Here is a closeup of the core of the cluster. The Planewave seems to do its job...stars resolved down deep. The field of view is also exceptionally flat: stars perfectly rounded up to the edge of the field of view.

New York roadtrip.

Sunset at Klein Creek Farm.

Portrait of Katie with the new beauty dish.

2014 Glen Ellyn Cardboard Regatta over the July 4 holiday.

Immagine salvata con i settaggi applicati.

canon 600d W/O megrez 72 single 2 minute shot

taken from

Saint-Etienne-Vallee-Francaise

Portrait of Katie with the new beauty dish.

Sunny day after a snowstorm at the West Dupage County Forest Preserve.

juste 2minute de pause en 2 photos, sous un bon ciel de bretagne(Sylfiac), loin des côtes et des basses pression sodium.

Veterans Day at Cantigny in Wheaton, IL featured approximately 2000 luminary candles arranged on the Parade Field.

Taken at SGL6 star party - Hereford with a 8 inch Newtonion (Orion Optics AG8) on an EQ6 with an artemis 4021 camera - 20 mins each of Red, Green and Blue

New York roadtrip.

UTRECHT, NETHERLANDS - SEPTEMBER 29: Roy Hodgson, manager of Liverpool looks on during a Liverpool training session and press conference at the Galgenwaard Stadium on September 29, 2010 in Utrecht, Netherlands. (Photo by Jamie McDonald/Getty Images)

Great Hercules Cluster M13

M13 a globular cluster of stars in the constellation of Hercules, over 20,000 light years from Earth.

Plain checkerboard pattern for ideas.

M13

91x15s

ISO3200

Taken with a Mak 127 inside a light polluted city

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 3825 / length of data axis 1

NAXIS2 = 2255 / 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

MIPS-FHI= 1 / Upper visualization cutoff

MIPS-FLO= 0 / Lower visualization cutoff

BZERO = 0 / offset data range to that of unsigned short

BSCALE = 1 / default scaling factor

DATE = '2023-07-15T14:03:33' / UTC date that FITS file was created

DATE-OBS= '2023-07-14T21:33:33.108000' / YYYY-MM-DDThh🇲🇲ss observation start,

INSTRUME= 'Canon DSLR EOS 700D' / instrument name

OBSERVER= 'stef lond' / observer name

TELESCOP= 'EQMod Mount' / telescope used to acquire this image

ROWORDER= 'TOP-DOWN' / Order of the rows in image array

XPIXSZ = 4.29 / X pixel size microns

YPIXSZ = 4.29 / Y pixel size microns

XBINNING= 1 / Camera binning mode

YBINNING= 1 / Camera binning mode

FOCALLEN= 400 / Camera focal length

CCD-TEMP= 54 / CCD temp in C

EXPTIME = 30 / Exposure time [s]

STACKCNT= 15 / Stack frames

LIVETIME= 450 / Exposure time after deadtime correction

EXPSTART= 2.46014e+06 / Exposure start time (standard Julian date)

EXPEND = 2.46014e+06 / Exposure end time (standard Julian date)

IMAGETYP= 'Light Frame' / Type of image

OBJECT = 'Unknown ' / Name of the object of interest

ISOSPEED= 800 / ISO camera setting

SITELAT = 47.9167 / [deg] Observation site latitude

SITELONG= 1.93306 / [deg] Observation site longitude

CTYPE1 = 'RA---TAN' / Coordinate type for the first axis

CTYPE2 = 'DEC--TAN' / Coordinate type for the second axis

CUNIT1 = 'deg ' / Unit of coordinates

CUNIT2 = 'deg ' / Unit of coordinates

EQUINOX = 2000 / Equatorial equinox

OBJCTRA = '16 41 42.45' / Image center Right Ascension (hms)

OBJCTDEC= '36 27 44.30' / Image center Declination (dms)

RA = 250.427 / Image center Right Ascension (deg)

DEC = 36.4623 / Image center Declination (deg)

CRPIX1 = 1852 / Axis1 reference pixel

CRPIX2 = 1245 / Axis2 reference pixel

CRVAL1 = 250.427 / Axis1 reference value (deg)

CRVAL2 = 36.4623 / Axis2 reference value (deg)

CDELT1 = 0.000614602 / X pixel size (deg)

CDELT2 = 0.000614602 / Y pixel size (deg)

PC1_1 = 0.12241 / Linear transformation matrix (1, 1)

PC1_2 = -0.99248 / Linear transformation matrix (1, 2)

PC2_1 = 0.99248 / Linear transformation matrix (2, 1)

PC2_2 = 0.12241 / Linear transformation matrix (2, 2)

AIRMASS = 1.02506 / Airmass

HISTORY mean stacking with winsorized sigma clipping rejection (low=3.000 high=3

HISTORY .000), additive+scaling normalized input, normalized output, no image we

HISTORY ighting, unequalized RGB

HISTORY Recadrage (x=740, y=718, w=3825, h=2255)

HISTORY Extraction du gradient (Correction : Subtraction)

HISTORY Extraction du gradient (Correction : Subtraction)

HISTORY Photom trie

HISTORY Photom trie

HISTORY D convolution

HISTORY Transformation asinh : (stretch= 50.1, bp=0.00200)

HISTORY Transf. histogramme (mid=0.129, lo=0.020, hi=1.000)

HISTORY SCNR (type=neutre moyen, qt =1.00, pr serve=true)

HISTORY Rehaussement de la saturation (quantit =0.20)

HISTORY R duction de la trame (niveau=1.00)

HISTORY Débruitage NL-Bayes (mod=1.000, CC activée)

HISTORY Réduction de la trame (niveau=1.00)

END

 

Griffith Observatory

Durango book and music fare, presentation of the new subtitled IN PRISON MY WHOLE LIFE

2014 Glen Ellyn Cardboard Regatta over the July 4 holiday.

A helicopter from Chicago Helicopter Express performs an Easter egg drop in West Chicago, IL.

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