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Digitized Sky Survey (DSS) Image Information for NGC 4157 | |||
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DSS Acknowledgement , DSS Copyright Notice | DSS Image Generation: 1st Generation DSS Image | ||
Image Center (2000): 12h 11m 05.0s; +50º 29' 08" | Image File Name: n4157.jpg | ||
Image Size (arcminutes): 10' x 10' | Image Size (pixels): 353 x 353 | ||
Original NGC Catalogue Data for NGC 4157 | |||
General Catalogue Designation: 2761 | William Herschel Designation: I 208 | ||
John Herschel Designation: 1114 | Other Observers: ... | ||
Right Ascension (Equinox 1860): 12h 04m 01s | Annual RA Precession (Equinox 1880): +3.04s | ||
North Polar Declination (Equinox 1860): 38° 43.9' | Annual DEC Precession (Equinox 1880): +20.1" | ||
Summary Description: pF, cL, vmE 60° ± (double?) | |||
Notes: * | Comments: … | ||
Discovered by: Friedrich Wilhelm Herschel (1738 - 1822) | Year of Discovery: 1788 | ||
Telescope Aperture (Inches): 18.7 | Telescope Type: Reflector | ||
Understanding the 'Summary Description': Summary Description Abbreviations List | |||
Contemporary/Current Data for NGC 4157 | |||
Right Ascension (2000): 12h 11m 05.0s | Declination (2000): +50º 29' 08" | ||
Object Type: Galaxy | Object Classification: SAB(s)b?sp II | ||
Constellation: Ursa Major | Position Angle: 66 ° | ||
Visual Magnitude: 11.1 | Surface Brightness: 13.3 | ||
Blue Magnitude: 11.7 | Object Size: 6.8'X1.3' | ||
Also Cataloged As: | UGC 7183, MCG+09-20-106, PGC 38795, H I-208, h 1114, GC 2761, CGCG 269.038, FGC 1380, IRAS 12085+5045 | ||
Catalogue Notes: --------------- | |||
Book / Chart References for NGC 4157 | |||
Luginbuhl & Skiff (Page): 252 | Burnham's (Volume : Page): ------ | ||
Uranometria 2000: 47,74 | Herald-Bobroff Astroatlas: C-12,D-35 | ||
Microsky: 131 | GSC Small Region Number: 3457 | ||
POSS Blue Plate #: 1389 | POSS Red Plate #: 1389 | ||
Database Update Level: 2 (Complete) | |||
Contemporary Visual Observation(s) for NGC 4157 | |||
NGC 4157 = UGC 07183 = MCG +09-20-106 = CGCG 269-038 = FGC 1380 = PGC 38795 12 11 04.9 +50 29 07 V = 11.3; Size 6.8x1.3; SB = 13.6; PA = 66d 17.5": bright, moderately large, edge-on 7:1 WSW-ENE, 5.0'x0.7', elongated bright core, extensions taper at ends. Located 4.3' SE of mag 8.0 SAO 28277. Two mag 10/10.5 stars oriented N-S are 3.8' SW and 5.1' SW and a mag 11 star lies 4.9' NE. This is a striking galaxy with several bright stars near adding to the view. 8": faint, very elongated WSW-ENE, bright core. A mag 8 star is close NW. | |||
Data Sources Used to research NGC 4157 | |||
[NGC] New General Catalogue / [IC] Index Catalogue (Dreyer - 1888, 1895, 1908) [OHCDSO] Observing Handbook and Catalog of Deep-Sky Objects (Luginbuhl & Skiff - 1990) [GD-NGCDDB] NGC Discoverer's Database (DeLange - 1987 to 2006) [UGC] Uppsala General Catalog of Galaxies (Nilson - 1973) [RC3] Third Reference Catatalog of Bright Galaxies (de Vaucouleurs, Corwin, Buta, et. al. - 1991) [CGCG] Catalog of Galaxies & Clusters of Galaxies (Zwicky - 1968) [HC-PPL] NGC/IC Accurate Positions List Database (Corwin - 1996 thru 2006) [SG-NGCO] NGC/IC Observations Database (Gottlieb - 1998 thru 2006) [RE-AZDB] The Arizona Database®, V15.5 (Erdmann - 1987 thru 2006) [PGC] Principle Galaxy Catalog (Paturel et al. - 1989, 2003) [DSS] Digitized Sky Survey - 1st (102 CD-ROM) and 2nd (Web Site) Generation (STScI - 1994) [NED] NASA's Extragalactic Database (NED) located at http://nedwww.ipac.caltech.edu/ | |||
Additional Notes | |||
• 1st generation images were generated from the 102 CD-ROM version of the Digitized Sky Survey (DSS) • 2nd generation images were generated at the DSS web site located at http://archive.stsci.edu/cgi-bin/dsswin • Luginbuhl & Skiff page numbers are from 'Observing Handbook and Catalogue of Deep-Sky Objects' by Christian B. Luginbuhl and Brian A. Skiff, produced by Cambridge University Press • Burnham's refers to 'Burnham's Celestial Handbook' in three volumes produced by Dover Publications, Inc. • Uranometria 2000 chart numbers are for those printings authored by Tirion, Rappaport & Lovi, and are not for the most recent printings authored by Tirion, Rappaport & Remaklus in which the charts were re-numbered, all of which were and/or are produced by Willmann-Bell, Inc. • The Herald-Bobroff Astroatlas is by D. Herald and P. Bobroff of Canberra, Australia and is produced by HB2000 Publications • Microsky® is the microfiche rendition of the Palomar Observatory Sky Survey (POSS) produced by Deen Publications (P.O. Box 867088; Plano Texas 75086) • POSS refers to the Palomar Observatory Sky Survey produced by The National Geographic Society in conjunction with The California Institute of Technology • All DSS image annotation was performed by Robert E. Erdmann, Jr., and is ©Copyright 1996 through 2008 by Robert E. Erdmann, Jr. - All rights reserved • All product names, trademarks, and copyrights are the property of their respective owners • Contemporary/Current Data for this object was hand collected and entered from the data sources listed in the "Data Sources Used" section of this table above.- Robert E. Erdmann, Jr. |
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