CCD Observation's detail view 3756

Comet C/2009 R1 (McNaught)
Userchergen
User`s nameCarl Hergenrother
Observation's time (UT)2010-06-04 00:00:00
Observation's placeNot set
Comparison stars sourceNot set
MethodV
Magnitude
Mag Error0.3
Coma diameter(')8.7
Tail's length5'
Coma degree of condensationNot set
Positional angle of tail (°)248
Aperture31.7 cm
Telescope focal length (mm)2853
Telecope TypeY
Exposure of single frame (sec)180
Phot Regioncomparison stars are in the same frame as a comet
Software (with version)ICQ: IRA. IRAF
Stars ExposureNot set
Photometric-aperture size○ 9.1'
Camera?
Chip
Chip blooming
Number of imagesΣ3
Magnitude of the comparison star closest in brightness9.0
Calibration methodsdark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded)
Pixel size width1.3"
Pixel size height1.3"
Light pollution zoneNot set
LmNot set
SQM-L in zenithNot set
Observatory code
CommentNot set