Date: Fri, 28 Apr 2006 11:32:15 GMT From: long@apo.nmsu.edu Subject: 2.5m obslog 20060427 (MJD 53853) APACHE POINT OBSERVATORY SDSS 2.5M OBSERVING LOG Thursday April 27, 2006 (MJD 53853) ---=== OBSERVING TEAM ===--- Days: Howard Brewington Night: Viktor Malanushenko Dan Long ---=== OBSERVING PLAN ===--- Science! ---=== OBSERVING SUMMARY ===--- We opened around 08:00Z after waiting for the dust to settle to a reasonable value. We got data on two plates (2116, 1729) in poor seeing, but didn't finish either. A conversation with French led us to temporarily revert to the most conservative dust limits ( collimate, 38897 Reading /data/spectro/53853/sdR-b1-00038897.fit speclog_version: Command not found. Reading /data/spectro/53853/sdR-b1-00038898.fit speclog_version: Command not found. COLLIMATE: Min offset = -0.67 pix COLLIMATE: Max offset = 0.76 pix COLLIMATE: RMS across CCD = 0.36 pix COLLIMATE: Mean offset = 0.05 pix COLLIMATE: Camera b1 appears to be IN-FOCUS (|mean|