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All Images Copyright Rod Gallagher
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NGC 4261 -- Galaxy Group
Object
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Type
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Galaxy Group
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Constellation
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Virgo
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Distance
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95.9M light-years
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Magnitude
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12.9
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Size
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4.2 x 3.4 arc-min
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Notes
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Galaxy Group includes NGC 4257, NGC 4261, NGC 4264, PGC 39655, IC 3155, NGC 4269
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Image also includes NGC 4252
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Image
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Date
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2011-03-03
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Place
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Winter Star Party
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Exposure Data
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Clear 30 mins @ -10C
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C 6x5 min
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Notes
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All filters binned 2x2
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Equipment
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Optics
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Takahashi TOA-150
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Focal Length
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1100 mm @f/7.3
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Mount
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Paramount ME
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Camera
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SBIG ST-10XME
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Focuser
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RoboFocus
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Filters
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CFW-10, Astrodon CRGB
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Software
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TheSky6, CCDSoft, Focusmax, CCDAutopilot4, CCDStack 2+, PixInsight, PhotoShop CS6
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Reprocessed on 09/11/2023
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