その117 りょうけん座のM51子持ち銀河 EOS R5 と R7(800㎜と換算400㎜)
月齢5.9の明るさがある中で、りょうけん座のM51を2台併架で撮りました。
EOS R5 + EF400mm f/2.8L IS II USM +2x III 800mm
EOS R7 + EF400mm f/5.6L USM + ADAPTER EF-EOS R 0.71x 284mm
EOS R5 + EF400mm f/2.8L IS II USM +2x III トリミング
EOS R7 + EF400mm f/5.6L USM + ADAPTER EF-EOS R 0.71x トリミング
(星座情報)
(撮影情報)
DATE = '2023-05-04T09:27:32' / UTC date that FITS file was created
DATE-OBS= '2023-04-26T12:15:37' / YYYY-MM-DDThh:mm:ss observation start, UT
INSTRUME= 'Canon EOS R5' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.2 / X pixel size microns
YPIXSZ = 2.2 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 783.763 / Camera focal length
CCD-TEMP= 0 / CCD temp in C
EXPTIME = 180.1 / Exposure time [s]
STACKCNT= 22 / Stack frames
LIVETIME= 3961.9 / Exposure time after deadtime correction
APERTURE= 5.6 / Aperture of the instrument
ISOSPEED= 1600 / ISO camera setting
DATE = '2023-05-05T02:34:48' / UTC date that FITS file was created
DATE-OBS= '2023-04-26T12:16:07' / YYYY-MM-DDThh:mm:ss observation start, UT
INSTRUME= 'Canon EOS R7' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 1.6 / X pixel size microns
YPIXSZ = 1.6 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 278.608 / Camera focal length
CCD-TEMP= 0 / CCD temp in C
EXPTIME = 180.1 / Exposure time [s]
STACKCNT= 22 / Stack frames
LIVETIME= 3962.2 / Exposure time after deadtime correction
APERTURE= 4 / Aperture of the instrument
ISOSPEED= 800 / ISO camera setting
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