CCD Observation's detail view 3760

CometC/2011 C1 (McNaught)
Userchergen
User`s nameCarl Hergenrother
Observation's time (UT)2011-04-01 12:00:00
Observation's placeNot set
Comparison stars sourceNot set
Method
Magnitude9.5
Mag Error0.3
Coma diameter(')7
Tail's lengthNot set
Coma degree of condensationNot set
Positional angle of tail (°)Not set
Aperture36.8 cm
Telescope focal length (mm)3312
Telecope TypeY
Exposure of single frame (sec)250
Phot Regioncomparison stars are in the same frame as a comet
Software (with version)ICQ: IRA. IRAF
Stars ExposureNot set
Photometric-aperture size○ 7.3'
Camera
Chip
Chip blooming
Number of imagesΣ5
Magnitude of the comparison star closest in brightness10.2
Calibration methodsdark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded)
Pixel size width1.1"
Pixel size height1.1"
Light pollution zoneNot set
LmNot set
SQM-L in zenithNot set
Observatory code
CommentNot set