Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4244
NGC 4244 - Silver Needle Galaxy (new camera first light), JB Auroux
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NGC 4244 - Silver Needle Galaxy (new camera first light)

NGC 4244 - Silver Needle Galaxy (new camera first light), JB Auroux
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NGC 4244 - Silver Needle Galaxy (new camera first light)

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Description

NGC 4244 is an edge-on loose spiral galaxy in the constellation Canes Venatici, and is part of the M94 Group, a galaxy group relatively close to the Local Group containing the Milky Way.
In the sky, it is located near the yellow naked-eye star, Beta CVn (Chara).

This is my first image taken with my new camera, an asi 2600 mm-pro, which replaces my old Atik16200 and AtikOne 6.0 CCD cameras.

On this occasion, I modified the imaging gear to include a Pegasus Astro Falcon v1 field rotator.

Backfocus is globally respected, but I still have a few adjustments to make in order to optimize everything, notably by gaining a few millimeters in the optical range...

Fortunately, BXT allows to correct almost perfectly any small defects caused by the extra millimetres of backfocus compared with the recommended distance !

Comments

Revisions

  • Final
    NGC 4244 - Silver Needle Galaxy (new camera first light), JB Auroux
    Original
    NGC 4244 - Silver Needle Galaxy (new camera first light), JB Auroux
    B
    NGC 4244 - Silver Needle Galaxy (new camera first light), JB Auroux
    C
    NGC 4244 - Silver Needle Galaxy (new camera first light), JB Auroux
    D
    NGC 4244 - Silver Needle Galaxy (new camera first light), JB Auroux
    E

B

Description: New setup with ASI 2600 MM-Pro, ZWO EFW 7x36mm, OAG M68 & Pegasus Falcon Rotator, on TSA-102 with reducer (f/6).

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C

Description: Optical aberrations (before and after BXT) on the full frame image

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D

Description: Full frame version

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E

Description: AAPOD² celebration ! (21/05/2024)

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Sky plot

Sky plot

Histogram

NGC 4244 - Silver Needle Galaxy (new camera first light), JB Auroux