NGC3992 - M109
DSS image of NGC3992
Digitized Sky Survey image of NGC3992, 30' x 30' with north at top and west to the right

DSS image of NGC3992
Overlaid DSS image of NGC3992, 30' x 30' with north at top and west to the right

Type  Galaxy
Magnitude  9.8
Size  7.6' x 7.5' @ 68°
RA (2000)  11h 57' 36.0"
Dec (2000)  53° 22' 28" N
Constellation  Ursa Major
Description  cB, vL, pmE, sbM, BN

Observing Notes

Andrew Cooper
May 15, 2004    Caballo Loco Ranch, Pima Co., AZ (map)
46cm f/4.5 Deep Violet

Fairly large, halo elongated northeast-southwest, faint stellar core, 13.8 magnitude foreground star in north margin of halo

William Hershel
Oct 5, 1784    Observatory House, Slough (map)

Considerably bright. Bright resolvable [mottled, not resolved] nucleus with very faint extended branches to position angle 30deg north preceding to south following. 7 or 8' long, 4 or 5' broad.
Other Data Sources for NGC3992
Nearby objects for NGC3992
Acknowledgements and Credits...

Drawings, descriptions and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission. Use for non-profit and educational reasons is generally given on request.

Positional and some physical information is from the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.

Additional object data from the SIMBAD database, operated at CDS, Strasbourg, France.

The Digitized Sky Survey was produced at the Space Telescope Science Institute under U.S. Government grant NAG W-2166. The images of these surveys are based on photographic data obtained using the Oschin Schmidt Telescope on Palomar Mountain and the UK Schmidt Telescope.

Dark nebulae data from E.E. Barnard, A Photographic Atlas of Selected Regions of the Milky Way. Ed. Edwin B. Frost and Mary R. Calvert. Carnegie Institution of Washington, 1927

Object descriptions of Rev. Webb from Celestial Objects for Common Telescopes sixth edition, Rev. T.W. Webb, 1917, edited by Rev T.E.Espin.