NGC 3718

DSS Image annotation ©Copyright 1996 through 2008 by Robert E. Erdmann, Jr. - All rights reserved.
Commercial use of these images (books, software, etc.) is strictly prohibited without written permission.

Digitized Sky Survey (DSS) Image Information for NGC 3718

DSS Acknowledgement , DSS Copyright Notice		DSS Image Generation: 1st Generation DSS Image
Image Center (2000): 11h 32m 35.0s; +53º 04' 06"		Image File Name: n3718.jpg
Image Size (arcminutes): 10' x 10'		Image Size (pixels): 353 x 353
Original NGC Catalogue Data for NGC 3718
General Catalogue Designation: 2443		William Herschel Designation: I 221
John Herschel Designation: 908		Other Observers: ...
Right Ascension (Equinox 1860): 11h 24m 46s		Annual RA Precession (Equinox 1880): +3.34s
North Polar Declination (Equinox 1860): 36° 9.4'		Annual DEC Precession (Equinox 1880): +19.8"
Summary Description: pB, vL, R, vglbM
Notes: …	Comments: …
Discovered by: Friedrich Wilhelm Herschel (1738 - 1822)			Year of Discovery: 1789
Telescope Aperture (Inches): 18.7		Telescope Type: Reflector
Understanding the 'Summary Description': Summary Description Abbreviations List
Contemporary/Current Data for NGC 3718
Right Ascension (2000): 11h 32m 35.0s		Declination (2000): +53º 04' 06"
Object Type: Galaxy		Object Classification: S0/SBa
Constellation: Ursa Major		Position Angle: 15 °
Visual Magnitude: 10.6		Surface Brightness: 14.2
Blue Magnitude: 11.3		Object Size: 8.1'X4.0'
Also Cataloged As:	UGC 6524, MCG+09-19-114, ARP 214, H I-221, h 908, GC 2443, CGCG 268.048, KCPG 290A, PGC 35616, IRAS 11298+5320
Catalogue Notes: Paired with NGC 3729. Singular, disturbed.
Book / Chart References for NGC 3718
Luginbuhl & Skiff (Page): 248		Burnham's (Volume : Page): ------
Uranometria 2000: 47		Herald-Bobroff Astroatlas: C-12,C-13,D-35
Microsky: 130		GSC Small Region Number: 3825
POSS Blue Plate #: 59		POSS Red Plate #: 59
Database Update Level: 2 (Complete)
Contemporary Visual Observation(s) for NGC 3718
NGC 3718 = UGC 06524 = MCG +09-19-114 = CGCG 268-048 = Arp 214 = PGC 35616 11 32 35.0 +53 04 05 V = 10.8; Size 8.1x4.0; SB = 14.4; PA = 15d 13.1": fairly bright, fairly large, broad concentration, almost round. Double star h2574 = mag 11/11 at 35" separation is 2.2' SSW of center. N3729 lies 12' ENE. The galaxy chain HCG 56 = U06527 = VV 150 lies 7' S. - by Steve Gottlieb
Data Sources Used to research NGC 3718
[NGC] New General Catalogue / [IC] Index Catalogue (Dreyer - 1888, 1895, 1908) [OHCDSO] Observing Handbook and Catalog of Deep-Sky Objects (Luginbuhl & Skiff - 1990) [RE-NGCDDB] NGC Discoverer's Database (Erdmann 1990 - 2006) [UGC] Uppsala General Catalog of Galaxies (Nilson - 1973) [ARP] Atlas of Peculiar Galaxies (H. Arp) [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.