[AAVSO-HEN] GRB Field Observation Report

[grb at aavso.org]

 Report filed on Thu Sep 15 11:19:41 2005:

 Name: Pam Kilmartin 
 email: pam.kilmartin at canterbury.ac.nz
 Observer: Alan Gilmore, Pam Kilmartin
 Site: Mt John Observatory
 Location: Lake Tekapo
 LatitudeLongitude: S43.987  E170.465
 Elevation: 1027
 Scope: Cassegrain 0.6 metre
 ScopeFocalRatio: f/6.4
 CCDVendor: SBIG ST-9e
 CCDDetector: KAF0261E
 CCDSize: 512 x 512
 CCDPixelScale: 1.0
 CCDFOV: 9 x 9
 Object: GRB050915
 ObsDate: 2005 09 15
 ObsMidPointTime: 13:28:40
 TimePerFrame: 60 sec
 NumberOfFrames: 54
 Filters: CR
 Processing: Flatfield, dark sub, coadd
 Seeing: 4
 LimitingMag: 19.0 (see note)
 Sky: Moonlight. Cloud moved in.
 afterglowmag: N/A
 afterglowerr: N/A
 compstars: 5 USNO A2.0 stars
 Report: Cloud terminated the intended 60 x 60 sec exposures.
Applying the Limiting Magnitude formula  to 4 faint stars gave M_limiting 20.0 +/- 0.1 but we could not see stars fainter than R = 19.3.
Nothing visible at or near position of x-ray source given in GCN 3979.
 comments: 

A FITS image has been uploaded to ftp://ftp.aavso.org/grb/PamKilmartin_GRB050915_2453629.13867_.fits