CCD Observation's detail view 3876

CometC/2015 F2 (Polonia)
Userchergen
User`s nameCarl Hergenrother
Observation's time (UT)2015-04-08 06:14:00
Observation's placeNot set
Comparison stars sourceICQ: U4. UCAC4 photometry catalog
MethodZ
Magnitude14.7
Mag ErrorNot set
Coma diameter(')0.8
Tail's lengthNot set
Coma degree of condensationNot set
Positional angle of tail (°)Not set
Aperture51.0 cm
Telescope focal length (mm)3570
Telecope TypeY
Exposure of single frame (sec)60
Phot Regioncomparison stars are in the same frame as a comet
Software (with version)ICQ: IRA. IRAF
Stars ExposureNot set
Photometric-aperture size○ 0.8'
CameraA16
ChipE2V
Chip blooming
Number of images3
Magnitude of the comparison star closest in brightnessNot set
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