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Selected
Observing
Notes
from
September
2010
at
IHOP
Observed on Sept 5, 2010
There were seven of us at IHOP and we
enjoyed great
skies. NELM was about 6.9, but seeing
was average. Since the transparency near
the horizon was excellent, so I
decided to start near the southern horizon fishing out planetaries in
Sagittarius.
This list is part of my total list and highlights interesting
objects. All objects listed here are in my downloadable observing
guides. Enjoy and hopefully you will try of these objects.
Note: The comments are straight out of my observing notebook, so
they may be a bit short.
Equipment
used:
22” f/4 reflector with no tracking
20mm Pentax XW finder eyepiece
12.5, 9 and 7mm Baader Genuine Orthoscopics
10 and 6mm Zeiss ZAO-II Orthoscopics
5mm Takahashi LE
TMB 1.8x ED barlow
Lumicon O-III filter
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Gomez Hamburger
(18h 09m 13.3s -32º 10' 48" 0.5" x 0.3"
mag 14.4)
(22” -
255, 328 and 383x) – Faint and nearly stellar in a very rich star
field. Needed high power to distinguish
the protoplanetary. Did not respond much
to the Ultrablock nor the O-III filters.
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Minkowski 2-25
(18h 02m 46.5s -32º 09'
28" size 14.0" mag 15.0p)
(22” -
255, 328 and 383x) – Faint, round glow with well-defined edges.
Even
surface brightness with slightly brighter edges at the NW and SE. Difficult, 75%
averted vision without filter, but very easy, 100% direct vision, with
O-III
filter. About 15” across.
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UGC 12304 (23h 01m 08.5s +05º 39' 14" size 1.5x0.2' mag
14.7b)
(22” - 184, 255 and 328x) – Faint, thin
even surface brightness glow with well-defined edges.
No central brightness. A pair
of faint 16th mag stars
lies 1.5’ east and a 15th mag star lies 2' SSE. About
1’
long
and
PA
=
135º.
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UGC 12423 (23h
13m 13.1s +06º 25' 48" size
3.5x0.3' Mag 14.5b)
(22” - 184,
255 and 328x) – Faint, thin even surface brightness glow with
well-defined
edges. Slightly brighter round center.
The tips are a bit diffuse. A
triangle of 15-16th mag star
lies just off the SE tip. A mag 10.8
star lies 2.4’ WSW and a mag 12.7 star lies 1.8’ ENE.
About 1.8’ long and PA =150º.
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UGC 260 (00h 27m 02.9s +11º
34' 57" Size 3.0x0.5' Mag 13.7p)
(22” - 184, 255 and 328x) – Considerably
bright thin even surface brightness glow with defined edges. A mag 13.7 star lies just off the west edge
appearing as a displaced stellar core. PA
= 30º and 1.7’ long. Nearby
galaxy,
MCG+2-2-10
is
considerably
faint
2:1
elongated
even surface
brightness
glow. PA = 135º and
20” long.
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UGC 542 (00h 53m
26.2s 29º
16' 10" size 2.0x0.5' mag 14.2b)
(22” – 184,
255, 328 and 383x) – Considerably bright, thin glow with a
slightly
brighter center. Defined edges. A faint 16th mag star lies 0.5’
off the north tip. PA = 150º
and 1’ long. |
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UGC 2411 (02 58 47.6 +75º 44' 47" size 4.1x0.2'
mag 16.2)
(22” – 184, 255, 328 and 383x) – Field
was located, but the galaxy was not detected. |
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UGC 1281 (01h 49m
32.4s +32º 35' 32" size 4.5x
0.5' mag 12.9p)
(22” – 184,
255 and 328x) – Faint long thin glow with diffuse edges. A couple faint 15-16th mag stars
on the east tip. PA = 45º
and 2.7’
long. MAC 0149+3237 lies 1.8’ NE from
the NE tip of UGC 1281 is faint, small, round even surface brightness
glow. About 0.2’ across.
CGCG 503-27 lies 0.8’ SE from the center of
UGC 1281 is considerably bright 3:2 elongated glow with a much brighter
center. PA = 45º and
0.2’ long.
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UGC 1856 (02h 24m
31.5s +31º 36' 54" size
2.7x0.4' mag 14.8p)
(22” – 184,
255, 328, 383 and 458x) – Field easily found, but could not see
the dim
galaxy. It sits between a pair of 10.3
and 10.6 mag stars that are only 1.1’ apart. This is a toughie
and need some serious clean glass and very transparent skies to get
this one.
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UGC 1924 (02h 27m 49.8s +31º 43' 33" size
2.2x0.3' mag 15.2p)
(22” – 255, 328 and 383x) – Extremely
faint thin even surface brightness glow. PA
=
0º and 0.7’ long. A
14.1 mag
star lies 1’ due north from the N tip. A
blazing mag 5.5 star lies 6.5’ NW.
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NGC 973 (02h 34m 20.2s +32º 30' 20" size 3.7x0.6' mag 13.6p)
(22” – 255, 328 and 383x) – Bright,
thin even surface brightness glow. No
dust lane detected. PA = 45º
and 2.5’
long. Lies in a fairly rich field of
galaxies. IC 1815 trio lies just 4.5’
south. IC 1815 was considerably bright
3:2 elongated glow with a brighter center. PA
=
135º and 0.3’ long. MAC
0234+3225
lies
1.4’
east
of
IC
1815
is considerably faint small round
even
surface brightness glow. MAC 0234+3224
lies 1.9’ SE of IC 1815 is a very faint, very small round even surface
brightness glow. MAC 0234+3233 lies 3.7’
NE from the center of NGC 973 is a considerably faint 4:3 elongated
glow with a
brighter center. PA = 45º
and 0.3’ long.
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NGC 522 (01h 24m 45.5s +09º 59'
43" size 2.7x0.4' mag 13.9p)
(22” – 184, 255 and 328x) – Bright thin
glow with well defined edges. No central
brightening. Higher than normal surface
brightness. PA = 30º
and 1.8’ long.
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IC 194 (02h 03m
05.2s +02º 36' 47" size 1.4x0.2'
mag 15.2p)
(22” – 184, 255 and 328x) – considerably
bright thin glow with defined edges. Brighter
center. PA = 15º and
1’
long.
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MCG-3-2-41 (00h 42m 14.8s -18º 09' 39" size 3.2x0.4'
mag 14.3p)
(22” – 255, 328 and 383x) – Considerably
bright thin glow. A faint star is
embedded 0.5’ east from the center and another just off the east tip. PA = 75º and 2.1’ long.
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MCG-2-3-16 (00h 47m 47.5s -09º 53' 58" size
3.0x0.4' mag 14.4)
(22” –255 and 328x) – Thin very
low even surface brightness
glow. PA = 90º and
1.3’ long. Nearby galaxy, MCG-2-3-15, lies
4’ north
appears as a considerably bright 2:1 elongated glow with a stellar core. PA = 30º and 0.8’ long.
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UGC 711 (01h 08m 37.0s +01º 38' 29" size
4.4x0.3' mag 14.4p)
(22” –255 and 328x) – considerably
faint, long thin even surface brightness streak with defined edges. PA = 120º and 2.5’ long. A bright mag 9.4 star lies 1.8’ due east from
the center of UGC 711.
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MCG-1-5-47 (01h 52m 49.0s -03º 26'
49" size 2.9x0.4' mag 13.9)
(22” – 255, 328 and 383x) – Bright thin
streak. Fairly high surface
brightness. No central brightness. PA = 165º and 2’ long. A mag 15.6 star lies just 0.6’ east from the
center. Two nearby galaxies, MAC
0152-0323 and MAC 0152-0325 lies 1.3 west and 1.8’ NNW from the north
tip. MAC
0152-0323 is a very faint small round glow and
MAC
0152-0325 is an extremely faint small round glow. Both
are
0.2’
across.
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IC 176 (01h 56m 53.5s -02º 01' 06" size
1.8x0.3' mag 14.7p)
(22” – 255 and 328x) – considerably
faint thick even surface brightness glow. Lower
than
expected
surface
brightness. PA = 90º
and 0.9’ long.
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UGC 1803 (02h 20m 29.1s +06º 48'
36" size 2.4x0.3' mag 14.7p)
(22” – 255 and 328x) – very faint thin
even surface brightness glow. No central
brightening. 50% averted vision. PA = 60º and 1’ long.
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UGC 2092 (02h 36m 31.7s +07º 18' 33" size
3.1x0.2' mag 15.1p)
(22” – 255 and 328x) – Considerably
faint, thin even surface brightness glow. PA
=
30º and 1.3’ long. Sits
between
a
pair
of
mag
11.9
and
12.8 stars. The
former is 1.6’ due east and the latter is 2.5’ WNW.
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UGC 2441 (02h 58m 22.0s +03º 51'
44" size 2.1x0.4' mag 14.6p)
(22” – 184, 255 and 328x) – Faint thin
even surface brightness glow with no central brightening.
PA = 15º and 1’ long.
A 9.1 mag star lies 3’ SW. Nearby
galaxy,
MAC
0258+0352,
lies
2.6’
NW
and
is
considerably faint, small round glow. No
central
brightening.
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All Observing Reports are copyrighted by Alvin Huey. You can
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