Open Cluster M36 (NGC 1960), type 'f', in Auriga
RA 05 : 36.1 (h:m); DEC +34 : 08 (deg:m); Distance 4100 light years
Visual Brightness 6.3 (mag) ; Apparent Dimension 12.0 (arc min)
M36 is at about 4,100 light years distance, so that its angular diameter of 12' corresponds to about 14 light years.
Source and more: SEDS
February 2, 2008 20:30 - 20:50 UT.
Imaging: William Optics Zenithstar 80 ED II APO F/6.8 [focal length 545 mm], ATK16IC camera, Astronomik LRGB filters.
Exposures: L [1x1]: 10x60s; RGB [1x1]: 5x30s each; unguided.
March 9, 2007 19:37 - 19:45 UT.
Imaging: William Optics Zenithstar 80 ED II APO, f/6.8 [focal length 545 mm] with diagonal, Baader Infra Red Blocking Filter; SC3a b/w RAW camera.
23 unguided exposures of 20 seconds.
February 8, 2005 20:02 - 20:07 UT .
Imaged with 200mm SLR Photolens, Vesta Pro SC3a colour camera and Baader Infra Red blocking filter