(IAAC) Obj: NGC 604 - Inst: 40" f/5 dob

Observer: Mark G.Birkmann
Your skills: Intermediate (some years)
Date/time of observation: 9/7/00  8:45 UT (3:45 a.m. CST)
Location of site: New Haven, Missouri (Lat ~38, Elev ~700 feet)
Site classification: Rural
Sky darkness: 5 <1-10 Scale (10 best)>
Seeing: 5 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 40" f/5 dob
Magnification: 408x, 858x
Object(s): NGC 604
Category: Extragalactic HII. Extragalactic star.
Constellation: Triangulum
Data: mag ?  size 1.5' x 1.5'
Position: RA 01h:34m 32.8s  DEC +30:47' 01"
While observing m33 at low power I noticed how bright ngc 604 was and decided to
take a look with higher power.  I'm glad I did!  I was amazed to be able to see 
detail in an extragalactic nebula.  It looked for all the world like a child's
representation of a Christmas tree, complete with blinking lights!  There were 
two roughly triangular sections of nebulosity stacked one on top of the other 
with the top (western) section being about twice as bright as the eastern 
section.  The sections were aligned so that they pointed to the west northwest 
and the north side of the western section was obviously concave.  The eastern 
section was not aligned exactly with the western section but was aligned more 
toward the west.  A bright knot was seen at each end of the base 
of both sections now and then when the seeing settled down.  From time to time 
other bright knots were seen but I did not note there positions, I did not see 
them often enough.  Just to the northwest was a faint area of nebulosity.  
Another faint area of nebulosity lay about 2' to the southeast and appeared to 
have a bright knot at it's center.  Unfortunatly I did not record in my notes 
whether or not I used my orion ultrablock filter for this observation.  Jens 
Bohle recently reported seeing 2 stars in ngc 604 with a 16" telescope and 4 
stars with a 20".  I have no idea whether or not I was seeing stars or bright 
knots within the nebula, but either way, it is a great object!  A drawing is 
available at http://members.fortunecity.com/faintfuzzy/drawings.htm
Optional related URLs: http://www.fortunecity.com/greenfield/twyford/637/drawings.htm
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