Iiro's DeepSky Sketches

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Name: NGC 3938Other name: UGC 6856
RA: 11h 52.8m DEC: +44° 7'
Constellation: UMA
Type: Galaxy
Magnitude: 10.4
Size: 5.1' x 5'
Surface brightness: 13.8
Classification: Sc
Description: B,vL,R,bM,pBN,er
Notes: H I 203,Fine face on spiral
Observer: Iiro Sairanen
Location: Haakanala, Rautjärvi, Finland
Date: 15/16.4.2012 2:10
Instrument: Newton 457/2280 mm
Magnification: 326xFilter: -
Field: 14'Seeing: 2
Background sky: 2NE lim mag: 7
Visuality: IIHeight: 60°
Weather: -4°C, astronomical twilight
Description: A bright core surrounded by weak spiral arms which are visible only with averted vision.
Updated: 4.11.2012 20:27