Объектив "Canon";
Aperture diameter = 78 mm;
Focal length = 135 mm;
SBIG ST-8300 CCD Camera.
Оценки сделаны по сумме 7 кадров.
C/2012 J1 (Catalina)
2013 Dec. 04.89 UT: m1=15.6: ...0.078-m f/1.7 Canon lens + CCD ...S. Korotkiy & T. Prystavski (remotely Ka-Dar Observatory, TAU Station, Nizhniy Arkhyz, Russia)
2012J1 2013 12 04.89 C 15.6:MC 7.8A 2a420 ICQ XX PRYabI C 0.56m A48 0 U7* 8.4s 8.4