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(IAAC) Obj: NGC 1531, NGC 1532, IC 2040, IC 2041 - Inst: 15 inch Obsession f4,5



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Observation Poster: Armin Hermann <burmeseinn@yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 14 Nov 2004
Location of site: Sangkhlaburi, Thailand (Lat 15N, Elev 200m)
Site classification: Exurban
Sky darkness: 6 <Limiting magnitude>
Seeing: 9 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15 inch Obsession f4,5
Magnification: 131 and 342x
Filter(s): none
Object(s): NGC 1531, NGC 1532, IC 2040, IC 2041
Category: External galaxy.
Class: 
Constellation: Eri
Data: mag various  size various
Position: RA :  DEC -33:
Description:
NGC 1532: 9,8mag, 12,6x3'. Very bright beautiful edge-on that streches over 
approx 8x2'. The core is bright and oval. With averted vision I could see a 
bright elongated cloud (size ~1,5x0,5') close to the SW-end of the galaxy. Dark 
lane suspected (?).
1532's neighbor NGC 1531: 12,5mag, 1,3x0,7'. Located in an angle of 90 to 
1532. It is only 2' away from the bright NGC 1532. 1531 is oval and extends approx 1,5x0,7'. Apart from the two bright NGC galaxies there is a few fainter 
ones attached to the pair. 
IC 2040: 13,1mag, 1,4x0,8'. Located 20' NE of NGC 1532. It's faint but clearly 
visible at 131x as a 1x0,5' oval smudge with a slightly brighter center. 
IC 2041: 14mag, 1x0,5'. Much closer to the bright edge-on (7' ENE) but requires 
averted vision and high magnification (342x). I could not see IC 2041 using 
131x magnification. Another extremely faint member of the group - ESO359-29 - 
escaped my view as it was obviously too faint. The whole group is located at
-33 a few degrees E of the huge impressive Fornax I Cluster.
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