Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4485  ·  NGC 4490
NGC4490 - Cocoon Galaxy, Derryk
NGC4490 - Cocoon Galaxy
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NGC4490 - Cocoon Galaxy

NGC4490 - Cocoon Galaxy, Derryk
NGC4490 - Cocoon Galaxy
Powered byPixInsight

NGC4490 - Cocoon Galaxy

Equipment

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Acquisition details

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Description

The Cocoon Galaxy is a barred spiral galaxy located in the constellation of Canes Venatici at a distance of about 25 million light-years away. NGC4485 is also photographed here as the smaller companion galaxy



Taken from January-April 2019 over multiple nights from Campbell, CA, USA. Sky: 18.80 mag/arcsec^2



Total integration: 2,615 mins (43 hr 35 mins)



Details, Equipment, & Software:

Telescope: Astro-Tech AT10RCT (FL2000mm f/8)

Camera: SBIG STF-8300m (-10°C)

Filter: Astrodon 36mm LRGB & Hα

Guide: OAG-8300 with QHY5III174

Focuser: Moonlite CSL w/ high res stepper motor

Mount: Astro-Physics AP1100GTO

Capture: Sequence Generator Pro

Frames:

Astrodon L: 144x300s

Astrodon R: 49x300s

Astrodon G: 47x300s

Astrodon B: 46x300s

Astrodon Hα: 79x900s

Stacking/Final Processing: Pixinsight

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NGC4490 - Cocoon Galaxy, Derryk