King 7  +  GM 1-34

100%  resolution (1.7MB)

DSLR widefield image

Object data of King7

Object type: Open star cluster (I2r)
Size: 5'
Magnitude: Brightest star 16mag
Constellation: Per
Distance: 7,000 Ly
Notes: King 7 is an open star cluster in the constellation Perseus, about 7,000 light years distant. This open star cluster is strongly reddened by interstellar dust: E(B-V) = 1.25mag.

The faint reflection nebula GM 1-34 (GN 03.56.2) is also visible in the above image.

Exposure data

Date: 2016-10-31 until 2017-01-27 (6 nights)
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: QSI 660wsg-8 with Astrodon filters
Binning: L 1x1 / RGB 1x1
Mount: ASA DDM85
Exposure time: L 56x8min / R 24x8min / G 24x8min / B 24x8min
Exposure time total: 17h 04min
Notes: High clouds