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The Whale and the Hockey Stick, NGC 4631 and NGC 4656 NED01

Started by The Thing, Feb 18, 2023, 15:24:28

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The Thing

I've done the Whale before with my Meade 8" LX90 SCT but with this scope I had an opportunity to grab both.

Object details underneath for those that want to know.

Acquisition: N.I.N.A. 69x240s= 4.6 hours Gain 120 Offset 4 Temp -5C
Pixinsight: WBPP, autocrop, ABEsubtract, ABE division, Dust Donut Removal,  EZdecon, repeat Dust Donut Removal, EZDnoise, GSH colour, CT
Affinity: Clarity with mask, Astrophoto - Background Removal
Image date, time and location: 2023-02-12, Manche, France
Telescope aperture and focal ratio: TS1506UNC, TSGPU Coma Corrector, f4 Fl 602mm
Camera and filters used: ZWO ASI294MC Pro, Svbony UVIR
   


Click here for Full Size


NGC 4631 Galaxy
Magnitude: 9.47
Surface brightness: 22.44
Dimension: 14.4 x 2.2 '
Position angle: 86
Class: SBcd
Common name: Whale Galaxy
Constellation: Canes Venatici

NGC 4656 NED01
Information from catalog: ONGC
Magnitude: 9.82
Surface brightness: 20.62
Dimension: 6.5 x 0.7 '
Class: SBm
Common name: Hockey Stick
Constellation: Canes Venatici

Roberto

Excellent pair.  These are great looking galaxies - so full of structure.

Roberto

Carole