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[vsnet-j 812] Nova Sgr 2001: independent detection and prediscovery records by H. Nishimura
- Date: Mon, 26 Feb 2001 16:42:54 +0900 (JST)
- To: CBAT@CFA.HARVARD.EDU, GREEN@CFA.HARVARD.EDU, vsnet-alert, vsnet-campaign-nova
- From: Taichi Kato <tkato>
- Subject: [vsnet-j 812] Nova Sgr 2001: independent detection and prediscovery records by H. Nishimura
- Cc: tenmondo@mail.wbs.ne.jp, vsnet-j, wliller@compuserve.com
- Sender: owner-vsnet-j@kusastro.kyoto-u.ac.jp
Nova Sgr 2001: independent detection and prediscovery records by H. Nishimura
Hideo Nishimura (Kakegawa, Shizuoka, Japan) has reported he had detected
the presence of the object on two photographs taken on Feb. 24 (see below
for the details). The object was barely seen at the limit of detection
on two photographs taken on Feb. 17.831 and 17.833 UT.
The data:
2001 Feb. 17.831 UT detected at the limit exposure=40s
17.833 detected at the limit exposure=50s
24.833 photographic magnitude 7.5 exposure=50s
24.834 photographic magnitude 7.5 exposure=50s
Instruments: 105mm F/5.6, T-Max 400 unfiltered
Relayed from Murai (Hamamatsu, Japan)