1. David Haworth http://www.stargazing.net/david/ITSindex.html http://www.stargazing.net/david/ITSindex.html Copyright 2002 Imaging the Sky 2002 Identifying Faint Galaxies

2. 2 Agenda  Fastar imaging  NGC 1169  Faint galaxies  Identification  16.6 mile ENE from the center of Portland OR

3. 3  C8 OTA on G-11  ST-237 camera  Focal length  16” (406mm)  f/1.95  Field of view  41 x 31 arc min

4. 4 NGC 1169 Image 31 x 30 Second Images

7. 7 Faint Galaxies

8. 8 Identifying Faint Galaxies  Sky Charts - Cartes du Ciel  Verify galaxies on DSS image  Determine galaxies locations  NASA/IPAC Extragalactic Database  Identify galaxies

9. 9 Sky Charts NGC 1169 Bright Star Catalog, Sky2000 & Tycho-2

10. 10 Sky Charts NGC 1169 Bright Star Catalog, Sky2000, Tycho-2 & HST GSC

11. 11 Sky Charts NGC 1169 BSC, Sky2000, Tycho-2, HST GSC & USNO-A V2.0

12. 12 Sky Charts NGC 1169 DSS from RealSky

13. 13 DSS Setup

14. 14 Sky Charts NGC 1169 DSS from RealSky

15. 15 Sky Charts NGC 1169 Galaxies Locations using RealSky Data

16. 16 Sky Charts NGC 1169 Galaxies Locations using Internet DSS Data

17. 17 NASA/IPAC Extragalactic Database http://nedwww.ipac.caltech.edu/

18. 18 NASA/IPAC Extragalactic Database Enter RA, DEC & Search Radius J2000 RA: 3h02m33.51s DE:+46°26'18.2"

19. 19 NASA/IPAC Extragalactic Database 4 Objects Found

20. 20 Faint Galaxies UGC2496 Mag. 18 2MASXi J0302392+462732 HFLLZOA G145.21-10.67 19.0 Magnitude Star Using USN0-A V2.0

21. 21 Identifying Faint Galaxies  Sky Charts - Cartes du Ciel  Free software on ITS 2002 CD-ROM  http://www.stargazing.net/astropc/download.html  NASA/IPAC Extragalactic Database  http://nedwww.ipac.caltech.edu/