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Mark Eby
September 8, 2019
1527
post image

Contains: Deep sky object

Acquisition Details

Date Posted: September 8, 2019

External Link:

Resolutions: 1800x1200 , 800x533 , 300x200

Link to TIFF/FITS:

Equipment card

Description

NGC4631 Whale Galaxy Despite a peaceful appearance, the Whale Galaxy contains an area of exploding supernovae that spew gas to its outer edges. The galaxy is 120,000 lightyears across and is 25 million lightyears from Earth. The "spout" of the whale is companion galaxy NGC4627. Straight above the spout at the very top is 2MASX J12420645+3245390, a dim galaxy not listed in any common catalog. North is at the top. Scope/Mount: AstroTech AT8RC 8" F8 Ritchey-Chretien with CCDT67 Focal Reducer, Celestron CI-700 Mount Camera: Orion StarShoot Pro V2 one-shot color Guiding: QHY5L-IIM through Orion Deluxe OAG, PHD guiding software Exposure: (24) 10 min Software: Nebulosity, PhotoShop CS2 Comment: 04-02-16, Tierra del Sol, CA. Collimation issues for some reason, rescued by PhotoShop.



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