The NGC/IC Project

NGC 1769

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 1769
DSS Acknowledgement ,  DSS Copyright Notice DSS Image Generation:  2nd Generation DSS Image
Image Center (2000):  04h 57m 44.7s; -66º 27' 49"Image File Name:  n1769.jpg
Image Size (arcminutes):  10' x 10'Image Size (pixels):  353 x 353
Original NGC Catalogue Data for  NGC 1769
General Catalogue Designation:  987William Herschel Designation:  ...
John Herschel Designation:  2716Other Observers:  ...
Right Ascension (Equinox 1860):  04h 57m 30sAnnual RA Precession (Equinox 1880):  +0.09s
North Polar Declination (Equinox 1860):  156° 39.9'Annual DEC Precession (Equinox 1880):  -05.4"
Summary Description:  B, L, iR, vsmb M ** 10
Notes:  Comments:  should there be a space between the 'b' and the 'M'?
Discovered by:  James Dunlop (1793 - 1848)Year of Discovery:  1826
Telescope Aperture (Inches):  9Telescope Type:  Reflector
Understanding the 'Summary Description':  Summary Description Abbreviations List
Contemporary/Current Data for  NGC 1769
Right Ascension (2000):  04h 57m 44.7sDeclination (2000):  -66º 27' 49"
Object Type:  Diffuse neb. in LMCObject Classification:  Emission
Constellation:  DoradoPosition Angle:  ----- °
Visual Magnitude:  ----Surface Brightness:  ----
Blue Magnitude:  ----Object Size:  -----------
Also Cataloged As:  ESO O85-EN023, h 2716, GC 987
Catalogue Notes:  ---------------
Book / Chart References for NGC 1769
Luginbuhl & Skiff (Page):  ---Burnham's (Volume : Page):  ------
Uranometria 2000:  444Herald-Bobroff Astroatlas:  C-89,C-90,D-03,E-05,E-06,F-03
Microsky:  N/AGSC Small Region Number:  8889
POSS Blue Plate #:  N/APOSS Red Plate #:  N/A
Database Update Level: 2 (Complete)
Contemporary Visual Observation(s) for NGC 1769
NGC 1769 = ESO 085-EN23
04 57 45 -66 27.8

13.1" (2/17/04 - Costa Rica): fairly bright HII region in a fascinating group 
with several clusters and nebulae.  Appears fairly large, round, 2' diameter 
with a single mag 11 at the center.  Situated  6' SE of the cluster/HII region 
N1763 and a similar distance NNE of N1769.

- by Steve Gottlieb

Data Sources Used to research NGC 1769
[NGC] New General Catalogue / [IC] Index Catalogue (Dreyer - 1888, 1895, 1908)
[ESO] The ESO Uppsala Survey of the ESO(B) Atlas (Lauberts - 1982)
[RE-NGCDDB] NGC Discoverer's Database (Erdmann 1990 - 2006)
[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)
[MOL] Master List of Nonstellar Optical Astronomical Objects (Dixon & Sonneborn - 1980)
[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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