Date: Wed, 21 Jul 93 10:42:01 PDT From: mauche@imager4.llnl.gov (Christopher Mauche) Subject: v1830 Sgr Dear Taichi Kato, I got a copy of your message sent to the nova mail exploder concerning V1830 Sgr from Sumner Starrfield. I am interested in this source (nd other poosible dwarf nova in outburst with V<~12 for possible targets for the ORFEUS mission NASA is launching this Saturday (if all goes well). Sumner points out that the coordinates that you supplied for V1830 Sgr must be error. They were: 18h 10m 42.34s +27deg 43' 18.9" (1950.0), whereas the other CVs in Sgr are at -38 and -42. Do you agree that the above coordinates are in error, and if so, can you send the correct coordinates? In case you may be interested in participating, I will send you some information concerning the ORFEUS mission. Chris Mauche

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