Open Cluster M34 (NGC 1039), type 'd', in Perseus

RA 02 : 42.0 [h:m]; DEC +42 : 47 [deg:m]; Distance 1400 light years;
Visual Brightness 5.5 [mag]; Apparent Dimension 35.0 ([rc min]

Discovered by Giovanni Batista Hodierna before 1654.

This intermediate aged open cluster of about 100 stars [according to H.S. Hogg] lies at a distance of about 1400 light years and is scattered over 35 arc minutes, more than the diameter of the full Moon.

Source and more: SEDS


February 3, 2008 18:40 - 18:54 UT.
Imaging: William Optics Zenithstar 80 ED II APO F/6.8 [focal length 545 mm], ATK16IC camera, Astronomik LRGB filters.
Exposures: L [1x1]: 5x60s; RGB [2x2]: 5x30s each; unguided.

October 27, 2005 22:15 - 22:35 UT.
Imaging: 135mm SLR Photolens with SC3a b/w RAW camera and Baader Infra Red Blocking Filter, 50 autoguided exposures of 20 seconds.