(IAAC) Obj: SN1999by - Inst: 17" f/15 classical Cassegrain equatorial mount


Observer: Dave Mitsky
Your skills: Intermediate (some years)
Date/time of observation: 1999/5/10 03:00 UT
Location of site: ASH Naylor Observatory, Lewisberry, PA, USA (Lat 40.15 d N, 76.9 d W, Elev 390 m)
Site classification: Exurban
Sky darkness: 5.5 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 17" f/15 classical Cassegrain equatorial mount
Magnification: 118, 202, 259, and 381x
Filter(s): none
Object(s): SN1999by
Category: Other.
Class: Ia peculiar supernova
Constellation: Ursa Major
Data: mag ~13.3  size 
Position: RA 9h:21m52s  DEC 51d:00'07"

SN1999by is located in the northern half of NGC 2841, a bright (9.3 magnitude) 
Herschel 400 spiral galaxy located about two degrees southwest of Theta Ursae 
Majoris.  The supernova is just to the southeast of an embedded 11.1 magnitude 
field star and was slightly brighter than two nearby 13th magnitude (13.5 and 
13.8 magnitude) field stars.

Optional related URLs: http://www.ezonline.com/ash/obs.htm
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