NGC 4631 from BMV Observatories
Blue Mountain Vista Observatory New RInggold PA
NGC 4631
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NGC 4631 is a huge edge-on spiral galaxy, magnitude 9.8, and commonly known as 'The Whale'. The smaller nearby galaxy is NGC 4627, the 'Pup'. This pair has been included in Arp's Catalog of Peculiar Galaxies as Arp 281. There's a bridge of hydrogen gas connecting both galaxies. Distance is estimated at 30 million light years. This is a second try at this object, taken with a new telescope and new camera.

Date: Mar 2010
Location: New Ringgold PA
Optics: Meade LX200R 14 inch at f/10
Mount: Paramount ME
Camera/Filters: SBIG STL 11000 camera Baader filters
Guiding: integral guiding chip controlled by Maxim CCD
Exposure: LRGB: Luminance: 33x5 minutes unbinned; RGB: unbinned - R-6x5 min, G- 6x5 min, B- 8x5 min, for a total of 4.4 hours
Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.