globular cluster

M53 (NGC 5024) and NGC 5053 globular cluster

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M53F1-B

L x 30 x 2m, 5m, 10m – RGB x 30 x 10m

M 53M53c

NGC 5053NGC5053

6/30/2013

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M14 globular cluster in the constellation Ophiuchus

m14f

===============================================================================
Referentiation Matrix (Gnomonic projection = Matrix * Coords[x,y]):
           -0.000185401        -0.000647415           +0.536769
           +0.000647559        -0.000185636           -0.406666
                     +0                  +0                  +1
Resolution …….. 2.425 arcsec/pix
Rotation ………. 74.015 deg
Focal …………. 629.49 mm
Pixel size …….. 7.40 um
Field of view ….. 1d 4′ 39.6″ x 48′ 29.7″
Image center …… RA: 17 37 38.259  Dec: -03 15 34.21
Image bounds:
   top-left ……. RA: 17 39 47.341  Dec: -03 39 57.61
   top-right …… RA: 17 38 35.947  Dec: -02 37 48.28
   bottom-left …. RA: 17 36 40.499  Dec: -03 53 19.94
   bottom-right … RA: 17 35 29.282  Dec: -02 51 09.79
===============================================================================

image

from nova.astrometry.net

6/03/2013

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M53 Globular Cluster

Final

Center (RA, Dec):    (198.222, 18.162)
Center (RA, hms):    13h 12m 53.227s
Center (Dec, dms):    +18° 09′ 42.464″
Size:    64.3 x 48.2 arcmin
Radius:    0.670 deg
Pixel scale:    3.77 arcsec/pixel
Orientation:    Up is -5.07 degrees E of N

image

from nova.astrophotometry.net