(IAAC) Obj: M 103 / NGC 581 - Inst: 220mm f/5 Newtonian equatorial

Observer: Paul Haworth
Your skills: Intermediate (some years)
Date/time of observation: 1998 April 11/12 - 21:30UT
Location of site: Hamsterley, Co. Durham, England. (Lat , Elev 350m (and very cold!!!!))
Site classification: Rural
Sky darkness: 4.5 <Limiting magnitude>
Seeing: I - II <I-V Seeing Scale (I best)>
Moon presence: Great - full or very near object
Instrument: 220mm f/5 Newtonian equatorial
Magnification: x44 - x88
Filter(s): None
Object(s): M 103 / NGC 581
Category: Open cluster.
Constellation: Cas
Data: mag   size 
Position: RA :  DEC :
Very easy to find, even in these poor moonlight and wind conditions,
just north-west of Delta Cssiopeiae.
At x44, only 5 stars really showed themselves: the apexes of a triangle
and two other stars in the middle, about 40 to 50 arcsecs apart.  It
seemed like there was a little bit of mist inbetween these stars.
Increasing the power to x88 put a couple more stars into direct view, and
using averted vision many more could be seen.  An attractive cluster with
a very well defined shape.  A small arrowhead formation lies to the east.
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