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Selected Observing Notes from June 5, 2010 observing session at IHOP


NELM was about 6.5, but seeing was average.

Equipment used:
22” f/4 reflector with no tracking
20mm Pentax XW finder eyepiece
12.5 and 9mm Baader Genuine Orthoscopics
10 and 6mm Zeiss ZAO-II Orthoscopics
7.5  Takahashi LE

 

Transparency was average 3/5 and seeing was average 3/5

These notes are very crude and I was a bit on the lazy side while recording my observations.




UGC 7170UGC 7170  (12 10 37.1  +18 49 42   size 3.0x0.2’   mag 15.0)

22” at 185, 255, 306 and 383x – Considerably faint, thin, slightly brighter elongated center and very diffuse tips.  Defined edges.  PA = 15 and 1.8’ long.  A 15.4 mag star lies 0.7’ SSE from the center.



NGC 4338NGC 4338  (12 23 13.8  +28 53 34   size 2.3x0.4’   mag 15.3p)

22” at 185, 255, 306 and 383x – Considerably faint, thin glow with diffuse edges.  No central brightening.  PA = 165 and 1.5’ long.  Simbad and NED lists it as NGC 4310 instead. Now need to do some research.



NGC 4738NGC 4738  (12 51 08.9  +28 47 18   size 2.3x0.4’   mag 14.2b)

22” at 185, 255, 306 and 383x – bright, very elongated glow with well-defined edges.  Brighter round center.  Higher than average surface brightness.  PA = 45 and 1.6’ long



UGC 8025UGC 8025  (12 54 02.1  +29 36 05   size 2.1x0.4’   mag 14.8p)

22” at 185, 255, 306 and 383x – bright thin glow with well-defined edges and brighter elongated center.  PA = 60 and 1.7’ long.  Nearby galaxy lying 3.2’ WSW, CGCG 159-107, is a considerably bright glow with diffuse edges and brighter round center.  0.5’ across.



IC 716IC 716  (11 39 03.1  -00 12 20   size 1.6x0.2’  mag 14.8p)

22” at 185, 255, 306 and 383x – Bright small thin glow with well-defined edges, much brighter center.  PA = 135 and 1.2’ long.  A 12.8 mag star lies 2.9’ NW.  A 14th mag star lies 1.2’ due south.



NGC 4197NGC 4197  (12 14 38.5  +05 48 18   size 3.4x0.5’   mag 13.4b)

22” at 185, 255, 306 and 383x – Very bright thick patch with a much brighter very elongated center with a slight hook on the NE end.  Well-defined edges.  PA = 45 and 2.0’ long and 0.5’ wide.



IC 3074IC 3074  (12 15 46.2  +10 41 52   size 2.3x0.3’   mag 14.7b)

22” at 185, 255, 306 and 383x – Faint, thin ghostly glow with no central brightening.  PA = 150 and 1.4’ long.



NGC 4289NGC 4289  (12 21 02.2  +03 43 16   size 3.8x0.3’   mag 14.6b)

22” at 185, 255, 306 and 383x – Considerably bright, much brighter slightly elongated center.  Diffuse edges and tips.  PA = 0 and 2.4’ long.  A blazing mag 8.2 star lies 3.2 ESE.



UGC 7607UGC 7607  (12 28 52.6  +04 17 40   size 2.2x0.2’  mag 15.5p)

22” at 185, 255 and 383x – Very faint, thin ghostly glow.  Even surface brightness with no central brightening.  PA = 60 and 1.7’ long.



UGC 9138UGC 9138  (14 16 47.2  +23 00 08   size 1.9x0.2’   mag 15.2p)

22” at 255, 306 and 383x – Considerably faint thin glow with defined edges  Brighter elongated center.  PA = 150 and 1.4’ long.  A parallel pair of 14th magnitude stars lies 0.8’ to the west.



UGC 9242UGC 9242  (14 25 20.9  +39 32 22   size 5.0x0.4’   mag 14.1b)

22” at 185, 255, 306 and 383x – Considerably faint, very thin and long glow with defined edges.  Brighter slightly elongated center.  A 12.4 mag star lies 1.3’ SE from the center.  PA = 60 and 3.1’ long.




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